12557660507

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1\times {\mathrm{821}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 14780375424

約数和(自身を除く): 2222714917

約数列:

[1, 7, 61, 113, 317, 427, 791, 821, 2219, 5747, 6893, 19337, 35821, 48251, 50081, 92773, 135359, 250747, 260257, 350567, 649411, 1821799, 2185081, 5659153, 15295567, 15875677, 29409041, 39614071, 111129739, 205863287, 1793951501, 12557660507]

約数ペア:

[(1, 12557660507), (7, 1793951501), (61, 205863287), (113, 111129739), (317, 39614071), (427, 29409041), (791, 15875677), (821, 15295567), (2219, 5659153), (5747, 2185081), (6893, 1821799), (19337, 649411), (35821, 350567), (48251, 260257), (50081, 250747), (92773, 135359)]