1620308

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 2983680

約数和(自身を除く): 1363372

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 179, 292, 358, 716, 2263, 4526, 5549, 9052, 11098, 13067, 22196, 26134, 52268, 405077, 810154, 1620308]

約数ペア:

[(1, 1620308), (2, 810154), (4, 405077), (31, 52268), (62, 26134), (73, 22196), (124, 13067), (146, 11098), (179, 9052), (292, 5549), (358, 4526), (716, 2263)]