71531512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{40459}}^1$

素因数の和:40495

約数の個数: 32

約数和(自身を含む): 152938800

約数和(自身を除く): 81407288

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 40459, 80918, 161836, 323672, 525967, 687803, 1051934, 1375606, 2103868, 2751212, 4207736, 5502424, 8941439, 17882878, 35765756, 71531512]

約数ペア:

[(1, 71531512), (2, 35765756), (4, 17882878), (8, 8941439), (13, 5502424), (17, 4207736), (26, 2751212), (34, 2103868), (52, 1375606), (68, 1051934), (104, 687803), (136, 525967), (221, 323672), (442, 161836), (884, 80918), (1768, 40459)]