81897816

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:534

約数の個数: 192

約数和(自身を含む): 280385280

約数和(自身を除く): 198487464

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 21, 22, 24, 26, 28, 33, 39, 42, 44, 49, 52, 56, 66, 77, 78, 84, 88, 91, 98, 104, 132, 143, 147, 154, 156, 168, 182, 196, 231, 264, 273, 286, 294, 308, 312, 364, 392, 429, 462, 487, 539, 546, 572, 588, 616, 637, 728, 858, 924, 974, 1001, 1078, 1092, 1144, 1176, 1274, 1461, 1617, 1716, 1848, 1911, 1948, 2002, 2156, 2184, 2548, 2922, 3003, 3234, 3409, 3432, 3822, 3896, 4004, 4312, 5096, 5357, 5844, 6006, 6331, 6468, 6818, 7007, 7644, 8008, 10227, 10714, 11688, 12012, 12662, 12936, 13636, 14014, 15288, 16071, 18993, 20454, 21021, 21428, 23863, 24024, 25324, 27272, 28028, 32142, 37499, 37986, 40908, 42042, 42856, 44317, 47726, 50648, 56056, 64284, 69641, 71589, 74998, 75972, 81816, 84084, 88634, 95452, 112497, 128568, 132951, 139282, 143178, 149996, 151944, 168168, 177268, 190904, 208923, 224994, 262493, 265902, 278564, 286356, 299992, 310219, 354536, 417846, 449988, 487487, 524986, 531804, 557128, 572712, 620438, 787479, 835692, 899976, 930657, 974974, 1049972, 1063608, 1240876, 1462461, 1574958, 1671384, 1861314, 1949948, 2099944, 2481752, 2924922, 3149916, 3412409, 3722628, 3899896, 5849844, 6299832, 6824818, 7445256, 10237227, 11699688, 13649636, 20474454, 27299272, 40948908, 81897816]

約数ペア:

[(1, 81897816), (2, 40948908), (3, 27299272), (4, 20474454), (6, 13649636), (7, 11699688), (8, 10237227), (11, 7445256), (12, 6824818), (13, 6299832), (14, 5849844), (21, 3899896), (22, 3722628), (24, 3412409), (26, 3149916), (28, 2924922), (33, 2481752), (39, 2099944), (42, 1949948), (44, 1861314), (49, 1671384), (52, 1574958), (56, 1462461), (66, 1240876), (77, 1063608), (78, 1049972), (84, 974974), (88, 930657), (91, 899976), (98, 835692), (104, 787479), (132, 620438), (143, 572712), (147, 557128), (154, 531804), (156, 524986), (168, 487487), (182, 449988), (196, 417846), (231, 354536), (264, 310219), (273, 299992), (286, 286356), (294, 278564), (308, 265902), (312, 262493), (364, 224994), (392, 208923), (429, 190904), (462, 177268), (487, 168168), (539, 151944), (546, 149996), (572, 143178), (588, 139282), (616, 132951), (637, 128568), (728, 112497), (858, 95452), (924, 88634), (974, 84084), (1001, 81816), (1078, 75972), (1092, 74998), (1144, 71589), (1176, 69641), (1274, 64284), (1461, 56056), (1617, 50648), (1716, 47726), (1848, 44317), (1911, 42856), (1948, 42042), (2002, 40908), (2156, 37986), (2184, 37499), (2548, 32142), (2922, 28028), (3003, 27272), (3234, 25324), (3409, 24024), (3432, 23863), (3822, 21428), (3896, 21021), (4004, 20454), (4312, 18993), (5096, 16071), (5357, 15288), (5844, 14014), (6006, 13636), (6331, 12936), (6468, 12662), (6818, 12012), (7007, 11688), (7644, 10714), (8008, 10227)]