213749072

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{1999}}^1$

素因数の和:2211

約数の個数: 40

約数和(自身を含む): 427056000

約数和(自身を除く): 213306928

約数列:

[1, 2, 4, 8, 16, 41, 82, 163, 164, 326, 328, 652, 656, 1304, 1999, 2608, 3998, 6683, 7996, 13366, 15992, 26732, 31984, 53464, 81959, 106928, 163918, 325837, 327836, 651674, 655672, 1303348, 1311344, 2606696, 5213392, 13359317, 26718634, 53437268, 106874536, 213749072]

約数ペア:

[(1, 213749072), (2, 106874536), (4, 53437268), (8, 26718634), (16, 13359317), (41, 5213392), (82, 2606696), (163, 1311344), (164, 1303348), (326, 655672), (328, 651674), (652, 327836), (656, 325837), (1304, 163918), (1999, 106928), (2608, 81959), (3998, 53464), (6683, 31984), (7996, 26732), (13366, 15992)]