28429928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{521}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 56376000

約数和(自身を除く): 27946072

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 359, 521, 718, 1042, 1436, 2084, 2872, 4168, 6821, 9899, 13642, 19798, 27284, 39596, 54568, 79192, 187039, 374078, 748156, 1496312, 3553741, 7107482, 14214964, 28429928]

約数ペア:

[(1, 28429928), (2, 14214964), (4, 7107482), (8, 3553741), (19, 1496312), (38, 748156), (76, 374078), (152, 187039), (359, 79192), (521, 54568), (718, 39596), (1042, 27284), (1436, 19798), (2084, 13642), (2872, 9899), (4168, 6821)]