289423160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{556583}}^1$

素因数の和:556607

約数の個数: 32

約数和(自身を含む): 701295840

約数和(自身を除く): 411872680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 556583, 1113166, 2226332, 2782915, 4452664, 5565830, 7235579, 11131660, 14471158, 22263320, 28942316, 36177895, 57884632, 72355790, 144711580, 289423160]

約数ペア:

[(1, 289423160), (2, 144711580), (4, 72355790), (5, 57884632), (8, 36177895), (10, 28942316), (13, 22263320), (20, 14471158), (26, 11131660), (40, 7235579), (52, 5565830), (65, 4452664), (104, 2782915), (130, 2226332), (260, 1113166), (520, 556583)]