123670988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{259813}}^1$

素因数の和:259841

約数の個数: 24

約数和(自身を含む): 261892512

約数和(自身を除く): 138221524

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 259813, 519626, 1039252, 1818691, 3637382, 4416821, 7274764, 8833642, 17667284, 30917747, 61835494, 123670988]

約数ペア:

[(1, 123670988), (2, 61835494), (4, 30917747), (7, 17667284), (14, 8833642), (17, 7274764), (28, 4416821), (34, 3637382), (68, 1818691), (119, 1039252), (238, 519626), (476, 259813)]