10639928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 21621600

約数和(自身を除く): 10981672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 263, 389, 526, 778, 1052, 1556, 2104, 3112, 3419, 5057, 6838, 10114, 13676, 20228, 27352, 40456, 102307, 204614, 409228, 818456, 1329991, 2659982, 5319964, 10639928]

約数ペア:

[(1, 10639928), (2, 5319964), (4, 2659982), (8, 1329991), (13, 818456), (26, 409228), (52, 204614), (104, 102307), (263, 40456), (389, 27352), (526, 20228), (778, 13676), (1052, 10114), (1556, 6838), (2104, 5057), (3112, 3419)]