201977828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{204431}}^1$

素因数の和:204467

約数の個数: 24

約数和(自身を含む): 400686720

約数和(自身を除く): 198708892

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 204431, 408862, 817724, 2657603, 3884189, 5315206, 7768378, 10630412, 15536756, 50494457, 100988914, 201977828]

約数ペア:

[(1, 201977828), (2, 100988914), (4, 50494457), (13, 15536756), (19, 10630412), (26, 7768378), (38, 5315206), (52, 3884189), (76, 2657603), (247, 817724), (494, 408862), (988, 204431)]