64139278

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{123821}}^1$

素因数の和:123867

約数の個数: 16

約数和(自身を含む): 112925664

約数和(自身を除く): 48786386

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 123821, 247642, 866747, 1733494, 4581377, 9162754, 32069639, 64139278]

約数ペア:

[(1, 64139278), (2, 32069639), (7, 9162754), (14, 4581377), (37, 1733494), (74, 866747), (259, 247642), (518, 123821)]