81266744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{2239}}^1$

素因数の和:2607

約数の個数: 32

約数和(自身を含む): 164640000

約数和(自身を除く): 83373256

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 349, 698, 1396, 2239, 2792, 4478, 4537, 8956, 9074, 17912, 18148, 29107, 36296, 58214, 116428, 232856, 781411, 1562822, 3125644, 6251288, 10158343, 20316686, 40633372, 81266744]

約数ペア:

[(1, 81266744), (2, 40633372), (4, 20316686), (8, 10158343), (13, 6251288), (26, 3125644), (52, 1562822), (104, 781411), (349, 232856), (698, 116428), (1396, 58214), (2239, 36296), (2792, 29107), (4478, 18148), (4537, 17912), (8956, 9074)]