28574416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8081}}^1$

素因数の和:8119

約数の個数: 40

約数和(自身を含む): 63136584

約数和(自身を除く): 34562168

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 8081, 16162, 32324, 64648, 105053, 129296, 137377, 210106, 274754, 420212, 549508, 840424, 1099016, 1680848, 1785901, 2198032, 3571802, 7143604, 14287208, 28574416]

約数ペア:

[(1, 28574416), (2, 14287208), (4, 7143604), (8, 3571802), (13, 2198032), (16, 1785901), (17, 1680848), (26, 1099016), (34, 840424), (52, 549508), (68, 420212), (104, 274754), (136, 210106), (208, 137377), (221, 129296), (272, 105053), (442, 64648), (884, 32324), (1768, 16162), (3536, 8081)]