660796

素因数分解:

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

素因数の和:181

約数の個数: 18

約数和(自身を含む): 1210272

約数和(自身を除く): 549476

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 2263, 4526, 5329, 9052, 10658, 21316, 165199, 330398, 660796]

約数ペア:

[(1, 660796), (2, 330398), (4, 165199), (31, 21316), (62, 10658), (73, 9052), (124, 5329), (146, 4526), (292, 2263)]