1281975268

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{750571}}^1$

素因数の和:750643

約数の個数: 24

約数和(自身を含む): 2605985984

約数和(自身を除く): 1324010716

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 750571, 1501142, 3002284, 5253997, 10507994, 21015988, 45784831, 91569662, 183139324, 320493817, 640987634, 1281975268]

約数ペア:

[(1, 1281975268), (2, 640987634), (4, 320493817), (7, 183139324), (14, 91569662), (28, 45784831), (61, 21015988), (122, 10507994), (244, 5253997), (427, 3002284), (854, 1501142), (1708, 750571)]