205744568

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 422876160

約数和(自身を除く): 217131592

約数列:

[1, 2, 4, 8, 23, 37, 46, 47, 74, 92, 94, 148, 184, 188, 296, 376, 643, 851, 1081, 1286, 1702, 1739, 2162, 2572, 3404, 3478, 4324, 5144, 6808, 6956, 8648, 13912, 14789, 23791, 29578, 30221, 39997, 47582, 59156, 60442, 79994, 95164, 118312, 120884, 159988, 190328, 241768, 319976, 547193, 695083, 1094386, 1118177, 1390166, 2188772, 2236354, 2780332, 4377544, 4472708, 5560664, 8945416, 25718071, 51436142, 102872284, 205744568]

約数ペア:

[(1, 205744568), (2, 102872284), (4, 51436142), (8, 25718071), (23, 8945416), (37, 5560664), (46, 4472708), (47, 4377544), (74, 2780332), (92, 2236354), (94, 2188772), (148, 1390166), (184, 1118177), (188, 1094386), (296, 695083), (376, 547193), (643, 319976), (851, 241768), (1081, 190328), (1286, 159988), (1702, 120884), (1739, 118312), (2162, 95164), (2572, 79994), (3404, 60442), (3478, 59156), (4324, 47582), (5144, 39997), (6808, 30221), (6956, 29578), (8648, 23791), (13912, 14789)]