15678988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1429}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 29709680

約数和(自身を除く): 14030692

約数列:

[1, 2, 4, 13, 26, 52, 211, 422, 844, 1429, 2743, 2858, 5486, 5716, 10972, 18577, 37154, 74308, 301519, 603038, 1206076, 3919747, 7839494, 15678988]

約数ペア:

[(1, 15678988), (2, 7839494), (4, 3919747), (13, 1206076), (26, 603038), (52, 301519), (211, 74308), (422, 37154), (844, 18577), (1429, 10972), (2743, 5716), (2858, 5486)]