64589681

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 78236928

約数和(自身を除く): 13647247

約数列:

[1, 13, 17, 23, 97, 131, 221, 299, 391, 1261, 1649, 1703, 2227, 2231, 3013, 5083, 12707, 21437, 28951, 29003, 37927, 39169, 51221, 165191, 216019, 292261, 493051, 665873, 2808247, 3799393, 4968437, 64589681]

約数ペア:

[(1, 64589681), (13, 4968437), (17, 3799393), (23, 2808247), (97, 665873), (131, 493051), (221, 292261), (299, 216019), (391, 165191), (1261, 51221), (1649, 39169), (1703, 37927), (2227, 29003), (2231, 28951), (3013, 21437), (5083, 12707)]