661216606

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{125183}}^1$

素因数の和:125343

約数の個数: 16

約数和(自身を含む): 1051545600

約数和(自身を除く): 390328994

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 125183, 250366, 2378477, 4756954, 17400437, 34800874, 330608303, 661216606]

約数ペア:

[(1, 661216606), (2, 330608303), (19, 34800874), (38, 17400437), (139, 4756954), (278, 2378477), (2641, 250366), (5282, 125183)]