81811704

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{262217}}^1$

素因数の和:262239

約数の個数: 32

約数和(自身を含む): 220263120

約数和(自身を除く): 138451416

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 262217, 524434, 786651, 1048868, 1573302, 2097736, 3146604, 3408821, 6293208, 6817642, 10226463, 13635284, 20452926, 27270568, 40905852, 81811704]

約数ペア:

[(1, 81811704), (2, 40905852), (3, 27270568), (4, 20452926), (6, 13635284), (8, 10226463), (12, 6817642), (13, 6293208), (24, 3408821), (26, 3146604), (39, 2097736), (52, 1573302), (78, 1048868), (104, 786651), (156, 524434), (312, 262217)]