15521428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{709}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 29362760

約数和(自身を除く): 13841332

約数列:

[1, 2, 4, 13, 26, 52, 421, 709, 842, 1418, 1684, 2836, 5473, 9217, 10946, 18434, 21892, 36868, 298489, 596978, 1193956, 3880357, 7760714, 15521428]

約数ペア:

[(1, 15521428), (2, 7760714), (4, 3880357), (13, 1193956), (26, 596978), (52, 298489), (421, 36868), (709, 21892), (842, 18434), (1418, 10946), (1684, 9217), (2836, 5473)]