278883852

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1787717}}^1$

素因数の和:1787737

約数の個数: 24

約数和(自身を含む): 700785456

約数和(自身を除く): 421901604

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1787717, 3575434, 5363151, 7150868, 10726302, 21452604, 23240321, 46480642, 69720963, 92961284, 139441926, 278883852]

約数ペア:

[(1, 278883852), (2, 139441926), (3, 92961284), (4, 69720963), (6, 46480642), (12, 23240321), (13, 21452604), (26, 10726302), (39, 7150868), (52, 5363151), (78, 3575434), (156, 1787717)]