211678428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1356913}}^1$

素因数の和:1356933

約数の個数: 24

約数和(自身を含む): 531910288

約数和(自身を除く): 320231860

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1356913, 2713826, 4070739, 5427652, 8141478, 16282956, 17639869, 35279738, 52919607, 70559476, 105839214, 211678428]

約数ペア:

[(1, 211678428), (2, 105839214), (3, 70559476), (4, 52919607), (6, 35279738), (12, 17639869), (13, 16282956), (26, 8141478), (39, 5427652), (52, 4070739), (78, 2713826), (156, 1356913)]