28335216

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{499}}^1$

素因数の和:543

約数の個数: 120

約数和(自身を含む): 90768000

約数和(自身を除く): 62432784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 169, 182, 208, 273, 312, 336, 338, 364, 499, 507, 546, 624, 676, 728, 998, 1014, 1092, 1183, 1352, 1456, 1497, 1996, 2028, 2184, 2366, 2704, 2994, 3493, 3549, 3992, 4056, 4368, 4732, 5988, 6487, 6986, 7098, 7984, 8112, 9464, 10479, 11976, 12974, 13972, 14196, 18928, 19461, 20958, 23952, 25948, 27944, 28392, 38922, 41916, 45409, 51896, 55888, 56784, 77844, 83832, 84331, 90818, 103792, 136227, 155688, 167664, 168662, 181636, 252993, 272454, 311376, 337324, 363272, 505986, 544908, 590317, 674648, 726544, 1011972, 1089816, 1180634, 1349296, 1770951, 2023944, 2179632, 2361268, 3541902, 4047888, 4722536, 7083804, 9445072, 14167608, 28335216]

約数ペア:

[(1, 28335216), (2, 14167608), (3, 9445072), (4, 7083804), (6, 4722536), (7, 4047888), (8, 3541902), (12, 2361268), (13, 2179632), (14, 2023944), (16, 1770951), (21, 1349296), (24, 1180634), (26, 1089816), (28, 1011972), (39, 726544), (42, 674648), (48, 590317), (52, 544908), (56, 505986), (78, 363272), (84, 337324), (91, 311376), (104, 272454), (112, 252993), (156, 181636), (168, 168662), (169, 167664), (182, 155688), (208, 136227), (273, 103792), (312, 90818), (336, 84331), (338, 83832), (364, 77844), (499, 56784), (507, 55888), (546, 51896), (624, 45409), (676, 41916), (728, 38922), (998, 28392), (1014, 27944), (1092, 25948), (1183, 23952), (1352, 20958), (1456, 19461), (1497, 18928), (1996, 14196), (2028, 13972), (2184, 12974), (2366, 11976), (2704, 10479), (2994, 9464), (3493, 8112), (3549, 7984), (3992, 7098), (4056, 6986), (4368, 6487), (4732, 5988)]