81139268

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{16189}}^1$

素因数の和:16379

約数の個数: 24

約数和(自身を含む): 163195200

約数和(自身を除く): 82055932

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 5012, 16189, 32378, 64756, 113323, 226646, 453292, 2897831, 5795662, 11591324, 20284817, 40569634, 81139268]

約数ペア:

[(1, 81139268), (2, 40569634), (4, 20284817), (7, 11591324), (14, 5795662), (28, 2897831), (179, 453292), (358, 226646), (716, 113323), (1253, 64756), (2506, 32378), (5012, 16189)]