72431372

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{983}}^1$

素因数の和:1122

約数の個数: 36

約数和(自身を含む): 138655440

約数和(自身を除く): 66224068

約数列:

[1, 2, 4, 13, 26, 52, 109, 169, 218, 338, 436, 676, 983, 1417, 1966, 2834, 3932, 5668, 12779, 18421, 25558, 36842, 51116, 73684, 107147, 166127, 214294, 332254, 428588, 664508, 1392911, 2785822, 5571644, 18107843, 36215686, 72431372]

約数ペア:

[(1, 72431372), (2, 36215686), (4, 18107843), (13, 5571644), (26, 2785822), (52, 1392911), (109, 664508), (169, 428588), (218, 332254), (338, 214294), (436, 166127), (676, 107147), (983, 73684), (1417, 51116), (1966, 36842), (2834, 25558), (3932, 18421), (5668, 12779)]