28717416

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:525

約数の個数: 160

約数和(自身を含む): 99200640

約数和(自身を除く): 70483224

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 81, 84, 91, 104, 108, 117, 126, 156, 162, 168, 182, 189, 216, 234, 252, 273, 312, 324, 351, 364, 378, 468, 487, 504, 546, 567, 648, 702, 728, 756, 819, 936, 974, 1053, 1092, 1134, 1404, 1461, 1512, 1638, 1948, 2106, 2184, 2268, 2457, 2808, 2922, 3276, 3409, 3896, 4212, 4383, 4536, 4914, 5844, 6331, 6552, 6818, 7371, 8424, 8766, 9828, 10227, 11688, 12662, 13149, 13636, 14742, 17532, 18993, 19656, 20454, 25324, 26298, 27272, 29484, 30681, 35064, 37986, 39447, 40908, 44317, 50648, 52596, 56979, 58968, 61362, 75972, 78894, 81816, 88634, 92043, 105192, 113958, 122724, 132951, 151944, 157788, 170937, 177268, 184086, 227916, 245448, 265902, 276129, 315576, 341874, 354536, 368172, 398853, 455832, 512811, 531804, 552258, 683748, 736344, 797706, 1025622, 1063608, 1104516, 1196559, 1367496, 1595412, 2051244, 2209032, 2393118, 3190824, 3589677, 4102488, 4786236, 7179354, 9572472, 14358708, 28717416]

約数ペア:

[(1, 28717416), (2, 14358708), (3, 9572472), (4, 7179354), (6, 4786236), (7, 4102488), (8, 3589677), (9, 3190824), (12, 2393118), (13, 2209032), (14, 2051244), (18, 1595412), (21, 1367496), (24, 1196559), (26, 1104516), (27, 1063608), (28, 1025622), (36, 797706), (39, 736344), (42, 683748), (52, 552258), (54, 531804), (56, 512811), (63, 455832), (72, 398853), (78, 368172), (81, 354536), (84, 341874), (91, 315576), (104, 276129), (108, 265902), (117, 245448), (126, 227916), (156, 184086), (162, 177268), (168, 170937), (182, 157788), (189, 151944), (216, 132951), (234, 122724), (252, 113958), (273, 105192), (312, 92043), (324, 88634), (351, 81816), (364, 78894), (378, 75972), (468, 61362), (487, 58968), (504, 56979), (546, 52596), (567, 50648), (648, 44317), (702, 40908), (728, 39447), (756, 37986), (819, 35064), (936, 30681), (974, 29484), (1053, 27272), (1092, 26298), (1134, 25324), (1404, 20454), (1461, 19656), (1512, 18993), (1638, 17532), (1948, 14742), (2106, 13636), (2184, 13149), (2268, 12662), (2457, 11688), (2808, 10227), (2922, 9828), (3276, 8766), (3409, 8424), (3896, 7371), (4212, 6818), (4383, 6552), (4536, 6331), (4914, 5844)]