1270100398

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{20947}}^1$

素因数の和:21088

約数の個数: 32

約数和(自身を含む): 2244284928

約数和(自身を除く): 974184530

約数列:

[1, 2, 7, 14, 61, 71, 122, 142, 427, 497, 854, 994, 4331, 8662, 20947, 30317, 41894, 60634, 146629, 293258, 1277767, 1487237, 2555534, 2974474, 8944369, 10410659, 17888738, 20821318, 90721457, 181442914, 635050199, 1270100398]

約数ペア:

[(1, 1270100398), (2, 635050199), (7, 181442914), (14, 90721457), (61, 20821318), (71, 17888738), (122, 10410659), (142, 8944369), (427, 2974474), (497, 2555534), (854, 1487237), (994, 1277767), (4331, 293258), (8662, 146629), (20947, 60634), (30317, 41894)]