12899770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 26681400

約数和(自身を除く): 13781630

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 449, 845, 898, 1105, 1690, 2210, 2245, 2873, 4490, 5746, 5837, 7633, 11674, 14365, 15266, 28730, 29185, 38165, 58370, 75881, 76330, 99229, 151762, 198458, 379405, 496145, 758810, 992290, 1289977, 2579954, 6449885, 12899770]

約数ペア:

[(1, 12899770), (2, 6449885), (5, 2579954), (10, 1289977), (13, 992290), (17, 758810), (26, 496145), (34, 379405), (65, 198458), (85, 151762), (130, 99229), (169, 76330), (170, 75881), (221, 58370), (338, 38165), (442, 29185), (449, 28730), (845, 15266), (898, 14365), (1105, 11674), (1690, 7633), (2210, 5837), (2245, 5746), (2873, 4490)]