81166288

素因数分解:

$2^4\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2579}}^1$

素因数の和:2875

約数の個数: 40

約数和(自身を含む): 180434880

約数和(自身を除く): 99268592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 281, 562, 1124, 1967, 2248, 2579, 3934, 4496, 5158, 7868, 10316, 15736, 18053, 20632, 31472, 36106, 41264, 72212, 144424, 288848, 724699, 1449398, 2898796, 5072893, 5797592, 10145786, 11595184, 20291572, 40583144, 81166288]

約数ペア:

[(1, 81166288), (2, 40583144), (4, 20291572), (7, 11595184), (8, 10145786), (14, 5797592), (16, 5072893), (28, 2898796), (56, 1449398), (112, 724699), (281, 288848), (562, 144424), (1124, 72212), (1967, 41264), (2248, 36106), (2579, 31472), (3934, 20632), (4496, 18053), (5158, 15736), (7868, 10316)]