215375678

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1123}}^1$

素因数の和:1261

約数の個数: 48

約数和(自身を含む): 399784320

約数和(自身を除く): 184408642

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 103, 133, 206, 266, 721, 931, 1123, 1442, 1862, 1957, 2246, 3914, 5047, 7861, 10094, 13699, 15722, 21337, 27398, 42674, 55027, 95893, 110054, 115669, 149359, 191786, 231338, 298718, 809683, 1045513, 1619366, 2091026, 2197711, 4395422, 5667781, 11335562, 15383977, 30767954, 107687839, 215375678]

約数ペア:

[(1, 215375678), (2, 107687839), (7, 30767954), (14, 15383977), (19, 11335562), (38, 5667781), (49, 4395422), (98, 2197711), (103, 2091026), (133, 1619366), (206, 1045513), (266, 809683), (721, 298718), (931, 231338), (1123, 191786), (1442, 149359), (1862, 115669), (1957, 110054), (2246, 95893), (3914, 55027), (5047, 42674), (7861, 27398), (10094, 21337), (13699, 15722)]