28921490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{587}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 56306880

約数和(自身を除く): 27385390

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 379, 587, 758, 1174, 1895, 2935, 3790, 4927, 5870, 7631, 9854, 15262, 24635, 38155, 49270, 76310, 222473, 444946, 1112365, 2224730, 2892149, 5784298, 14460745, 28921490]

約数ペア:

[(1, 28921490), (2, 14460745), (5, 5784298), (10, 2892149), (13, 2224730), (26, 1112365), (65, 444946), (130, 222473), (379, 76310), (587, 49270), (758, 38155), (1174, 24635), (1895, 15262), (2935, 9854), (3790, 7631), (4927, 5870)]