31209308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{9839}}^1$

素因数の和:9917

約数の個数: 24

約数和(自身を含む): 59787840

約数和(自身を除く): 28578532

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 9839, 19678, 39356, 127907, 255814, 511628, 600179, 1200358, 2400716, 7802327, 15604654, 31209308]

約数ペア:

[(1, 31209308), (2, 15604654), (4, 7802327), (13, 2400716), (26, 1200358), (52, 600179), (61, 511628), (122, 255814), (244, 127907), (793, 39356), (1586, 19678), (3172, 9839)]