72570328

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{221251}}^1$

素因数の和:221298

約数の個数: 16

約数和(自身を含む): 139388760

約数和(自身を除く): 66818432

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 221251, 442502, 885004, 1770008, 9071291, 18142582, 36285164, 72570328]

約数ペア:

[(1, 72570328), (2, 36285164), (4, 18142582), (8, 9071291), (41, 1770008), (82, 885004), (164, 442502), (328, 221251)]