72815672

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{221999}}^1$

素因数の和:222046

約数の個数: 16

約数和(自身を含む): 139860000

約数和(自身を除く): 67044328

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 221999, 443998, 887996, 1775992, 9101959, 18203918, 36407836, 72815672]

約数ペア:

[(1, 72815672), (2, 36407836), (4, 18203918), (8, 9101959), (41, 1775992), (82, 887996), (164, 443998), (328, 221999)]