280167472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{3359}}^1$

素因数の和:3781

約数の個数: 40

約数和(自身を含む): 586212480

約数和(自身を除く): 306045008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 401, 802, 1604, 3208, 3359, 5213, 6416, 6718, 10426, 13436, 20852, 26872, 41704, 43667, 53744, 83408, 87334, 174668, 349336, 698672, 1346959, 2693918, 5387836, 10775672, 17510467, 21551344, 35020934, 70041868, 140083736, 280167472]

約数ペア:

[(1, 280167472), (2, 140083736), (4, 70041868), (8, 35020934), (13, 21551344), (16, 17510467), (26, 10775672), (52, 5387836), (104, 2693918), (208, 1346959), (401, 698672), (802, 349336), (1604, 174668), (3208, 87334), (3359, 83408), (5213, 53744), (6416, 43667), (6718, 41704), (10426, 26872), (13436, 20852)]