64616890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21611}}^1$

素因数の和:21654

約数の個数: 32

約数和(自身を含む): 130709376

約数和(自身を除く): 66092486

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 21611, 43222, 108055, 216110, 280943, 497053, 561886, 994106, 1404715, 2485265, 2809430, 4970530, 6461689, 12923378, 32308445, 64616890]

約数ペア:

[(1, 64616890), (2, 32308445), (5, 12923378), (10, 6461689), (13, 4970530), (23, 2809430), (26, 2485265), (46, 1404715), (65, 994106), (115, 561886), (130, 497053), (230, 280943), (299, 216110), (598, 108055), (1495, 43222), (2990, 21611)]