639282

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 1511424

約数和(自身を除く): 872142

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 491, 651, 982, 1302, 1473, 2946, 3437, 6874, 10311, 15221, 20622, 30442, 45663, 91326, 106547, 213094, 319641, 639282]

約数ペア:

[(1, 639282), (2, 319641), (3, 213094), (6, 106547), (7, 91326), (14, 45663), (21, 30442), (31, 20622), (42, 15221), (62, 10311), (93, 6874), (186, 3437), (217, 2946), (434, 1473), (491, 1302), (651, 982)]