329996485

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4007}}^1$

素因数の和:4213

約数の個数: 32

約数和(自身を含む): 490194432

約数和(自身を除く): 160197947

約数列:

[1, 5, 7, 13, 35, 65, 91, 181, 455, 905, 1267, 2353, 4007, 6335, 11765, 16471, 20035, 28049, 52091, 82355, 140245, 260455, 364637, 725267, 1823185, 3626335, 5076869, 9428471, 25384345, 47142355, 65999297, 329996485]

約数ペア:

[(1, 329996485), (5, 65999297), (7, 47142355), (13, 25384345), (35, 9428471), (65, 5076869), (91, 3626335), (181, 1823185), (455, 725267), (905, 364637), (1267, 260455), (2353, 140245), (4007, 82355), (6335, 52091), (11765, 28049), (16471, 20035)]