1856553727

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 2201823360

約数和(自身を除く): 345269633

約数列:

[1, 7, 61, 109, 113, 353, 427, 763, 791, 2471, 6649, 6893, 12317, 21533, 38477, 39889, 46543, 48251, 86219, 150731, 269339, 279223, 751337, 2347097, 2433229, 4347901, 5259359, 16429679, 17032603, 30435307, 265221961, 1856553727]

約数ペア:

[(1, 1856553727), (7, 265221961), (61, 30435307), (109, 17032603), (113, 16429679), (353, 5259359), (427, 4347901), (763, 2433229), (791, 2347097), (2471, 751337), (6649, 279223), (6893, 269339), (12317, 150731), (21533, 86219), (38477, 48251), (39889, 46543)]