1996808515

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{449}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 2747196000

約数和(自身を除く): 750387485

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 277, 449, 845, 1235, 1385, 2245, 3211, 3601, 5263, 5837, 8531, 16055, 18005, 26315, 29185, 42655, 46813, 68419, 75881, 110903, 124373, 234065, 342095, 379405, 554515, 621865, 889447, 1441739, 1616849, 2363087, 4447235, 7208695, 8084245, 11815435, 21019037, 30720131, 105095185, 153600655, 399361703, 1996808515]

約数ペア:

[(1, 1996808515), (5, 399361703), (13, 153600655), (19, 105095185), (65, 30720131), (95, 21019037), (169, 11815435), (247, 8084245), (277, 7208695), (449, 4447235), (845, 2363087), (1235, 1616849), (1385, 1441739), (2245, 889447), (3211, 621865), (3601, 554515), (5263, 379405), (5837, 342095), (8531, 234065), (16055, 124373), (18005, 110903), (26315, 75881), (29185, 68419), (42655, 46813)]