641036890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{10559}}^1$

素因数の和:11046

約数の個数: 32

約数和(自身を含む): 1245404160

約数和(自身を除く): 604367270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 467, 934, 2335, 4670, 6071, 10559, 12142, 21118, 30355, 52795, 60710, 105590, 137267, 274534, 686335, 1372670, 4931053, 9862106, 24655265, 49310530, 64103689, 128207378, 320518445, 641036890]

約数ペア:

[(1, 641036890), (2, 320518445), (5, 128207378), (10, 64103689), (13, 49310530), (26, 24655265), (65, 9862106), (130, 4931053), (467, 1372670), (934, 686335), (2335, 274534), (4670, 137267), (6071, 105590), (10559, 60710), (12142, 52795), (21118, 30355)]