72143912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{911}}^1$

素因数の和:1457

約数の個数: 32

約数和(自身を含む): 142819200

約数和(自身を除く): 70675288

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 521, 911, 1042, 1822, 2084, 3644, 4168, 7288, 9899, 17309, 19798, 34618, 39596, 69236, 79192, 138472, 474631, 949262, 1898524, 3797048, 9017989, 18035978, 36071956, 72143912]

約数ペア:

[(1, 72143912), (2, 36071956), (4, 18035978), (8, 9017989), (19, 3797048), (38, 1898524), (76, 949262), (152, 474631), (521, 138472), (911, 79192), (1042, 69236), (1822, 39596), (2084, 34618), (3644, 19798), (4168, 17309), (7288, 9899)]