64870418

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1\times {\mathrm{419}}^1$

素因数の和:1009

約数の個数: 16

約数和(自身を含む): 98280000

約数和(自身を除く): 33409582

約数列:

[1, 2, 199, 389, 398, 419, 778, 838, 77411, 83381, 154822, 162991, 166762, 325982, 32435209, 64870418]

約数ペア:

[(1, 64870418), (2, 32435209), (199, 325982), (389, 166762), (398, 162991), (419, 154822), (778, 83381), (838, 77411)]