290346

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 688128

約数和(自身を除く): 397782

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 223, 434, 446, 651, 669, 1302, 1338, 1561, 3122, 4683, 6913, 9366, 13826, 20739, 41478, 48391, 96782, 145173, 290346]

約数ペア:

[(1, 290346), (2, 145173), (3, 96782), (6, 48391), (7, 41478), (14, 20739), (21, 13826), (31, 9366), (42, 6913), (62, 4683), (93, 3122), (186, 1561), (217, 1338), (223, 1302), (434, 669), (446, 651)]