69446728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2539}}^1$

素因数の和:2821

約数の個数: 32

約数和(自身を含む): 140817600

約数和(自身を除く): 71370872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 263, 526, 1052, 2104, 2539, 3419, 5078, 6838, 10156, 13676, 20312, 27352, 33007, 66014, 132028, 264056, 667757, 1335514, 2671028, 5342056, 8680841, 17361682, 34723364, 69446728]

約数ペア:

[(1, 69446728), (2, 34723364), (4, 17361682), (8, 8680841), (13, 5342056), (26, 2671028), (52, 1335514), (104, 667757), (263, 264056), (526, 132028), (1052, 66014), (2104, 33007), (2539, 27352), (3419, 20312), (5078, 13676), (6838, 10156)]