391165738

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:762

約数の個数: 32

約数和(自身を含む): 622702080

約数和(自身を除く): 231536342

約数列:

[1, 2, 23, 46, 131, 139, 262, 278, 467, 934, 3013, 3197, 6026, 6394, 10741, 18209, 21482, 36418, 61177, 64913, 122354, 129826, 418807, 837614, 1407071, 1492999, 2814142, 2985998, 8503603, 17007206, 195582869, 391165738]

約数ペア:

[(1, 391165738), (2, 195582869), (23, 17007206), (46, 8503603), (131, 2985998), (139, 2814142), (262, 1492999), (278, 1407071), (467, 837614), (934, 418807), (3013, 129826), (3197, 122354), (6026, 64913), (6394, 61177), (10741, 36418), (18209, 21482)]