72813748

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 149990400

約数和(自身を除く): 77176652

約数列:

[1, 2, 4, 7, 14, 28, 61, 89, 122, 178, 244, 356, 427, 479, 623, 854, 958, 1246, 1708, 1916, 2492, 3353, 5429, 6706, 10858, 13412, 21716, 29219, 38003, 42631, 58438, 76006, 85262, 116876, 152012, 170524, 204533, 298417, 409066, 596834, 818132, 1193668, 2600491, 5200982, 10401964, 18203437, 36406874, 72813748]

約数ペア:

[(1, 72813748), (2, 36406874), (4, 18203437), (7, 10401964), (14, 5200982), (28, 2600491), (61, 1193668), (89, 818132), (122, 596834), (178, 409066), (244, 298417), (356, 204533), (427, 170524), (479, 152012), (623, 116876), (854, 85262), (958, 76006), (1246, 58438), (1708, 42631), (1916, 38003), (2492, 29219), (3353, 21716), (5429, 13412), (6706, 10858)]