28237089712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{322459}}^1$

素因数の和:322901

約数の個数: 40

約数和(自身を含む): 59057904080

約数和(自身を除く): 30820814368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 421, 842, 1684, 3368, 5473, 6736, 10946, 21892, 43784, 87568, 322459, 644918, 1289836, 2579672, 4191967, 5159344, 8383934, 16767868, 33535736, 67071472, 135755239, 271510478, 543020956, 1086041912, 1764818107, 2172083824, 3529636214, 7059272428, 14118544856, 28237089712]

約数ペア:

[(1, 28237089712), (2, 14118544856), (4, 7059272428), (8, 3529636214), (13, 2172083824), (16, 1764818107), (26, 1086041912), (52, 543020956), (104, 271510478), (208, 135755239), (421, 67071472), (842, 33535736), (1684, 16767868), (3368, 8383934), (5473, 5159344), (6736, 4191967), (10946, 2579672), (21892, 1289836), (43784, 644918), (87568, 322459)]