128889278

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{248821}}^1$

素因数の和:248867

約数の個数: 16

約数和(自身を含む): 226925664

約数和(自身を除く): 98036386

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 248821, 497642, 1741747, 3483494, 9206377, 18412754, 64444639, 128889278]

約数ペア:

[(1, 128889278), (2, 64444639), (7, 18412754), (14, 9206377), (37, 3483494), (74, 1741747), (259, 497642), (518, 248821)]