129667792

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{261427}}^1$

素因数の和:261466

約数の個数: 20

約数和(自身を含む): 259336576

約数和(自身を除く): 129668784

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 261427, 522854, 1045708, 2091416, 4182832, 8104237, 16208474, 32416948, 64833896, 129667792]

約数ペア:

[(1, 129667792), (2, 64833896), (4, 32416948), (8, 16208474), (16, 8104237), (31, 4182832), (62, 2091416), (124, 1045708), (248, 522854), (496, 261427)]