71283472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{881}}^1$

素因数の和:1291

約数の個数: 40

約数和(自身を含む): 149287320

約数和(自身を除く): 78003848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 389, 778, 881, 1556, 1762, 3112, 3524, 5057, 6224, 7048, 10114, 11453, 14096, 20228, 22906, 40456, 45812, 80912, 91624, 183248, 342709, 685418, 1370836, 2741672, 4455217, 5483344, 8910434, 17820868, 35641736, 71283472]

約数ペア:

[(1, 71283472), (2, 35641736), (4, 17820868), (8, 8910434), (13, 5483344), (16, 4455217), (26, 2741672), (52, 1370836), (104, 685418), (208, 342709), (389, 183248), (778, 91624), (881, 80912), (1556, 45812), (1762, 40456), (3112, 22906), (3524, 20228), (5057, 14096), (6224, 11453), (7048, 10114)]