68988868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1559}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 139426560

約数和(自身を除く): 70437692

約数列:

[1, 2, 4, 13, 23, 26, 37, 46, 52, 74, 92, 148, 299, 481, 598, 851, 962, 1196, 1559, 1702, 1924, 3118, 3404, 6236, 11063, 20267, 22126, 35857, 40534, 44252, 57683, 71714, 81068, 115366, 143428, 230732, 466141, 749879, 932282, 1326709, 1499758, 1864564, 2653418, 2999516, 5306836, 17247217, 34494434, 68988868]

約数ペア:

[(1, 68988868), (2, 34494434), (4, 17247217), (13, 5306836), (23, 2999516), (26, 2653418), (37, 1864564), (46, 1499758), (52, 1326709), (74, 932282), (92, 749879), (148, 466141), (299, 230732), (481, 143428), (598, 115366), (851, 81068), (962, 71714), (1196, 57683), (1559, 44252), (1702, 40534), (1924, 35857), (3118, 22126), (3404, 20267), (6236, 11063)]