256971042

素因数分解:

$2^1\times 3^6\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 112

約数和(自身を含む): 616976640

約数和(自身を除く): 360005598

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 79, 81, 97, 138, 158, 162, 194, 207, 237, 243, 291, 414, 474, 486, 582, 621, 711, 729, 873, 1242, 1422, 1458, 1746, 1817, 1863, 2133, 2231, 2619, 3634, 3726, 4266, 4462, 5238, 5451, 5589, 6399, 6693, 7663, 7857, 10902, 11178, 12798, 13386, 15326, 15714, 16353, 16767, 19197, 20079, 22989, 23571, 32706, 33534, 38394, 40158, 45978, 47142, 49059, 57591, 60237, 68967, 70713, 98118, 115182, 120474, 137934, 141426, 147177, 176249, 180711, 206901, 294354, 352498, 361422, 413802, 441531, 528747, 542133, 620703, 883062, 1057494, 1084266, 1241406, 1324593, 1586241, 1626399, 1862109, 2649186, 3172482, 3252798, 3724218, 4758723, 5586327, 9517446, 11172654, 14276169, 28552338, 42828507, 85657014, 128485521, 256971042]

約数ペア:

[(1, 256971042), (2, 128485521), (3, 85657014), (6, 42828507), (9, 28552338), (18, 14276169), (23, 11172654), (27, 9517446), (46, 5586327), (54, 4758723), (69, 3724218), (79, 3252798), (81, 3172482), (97, 2649186), (138, 1862109), (158, 1626399), (162, 1586241), (194, 1324593), (207, 1241406), (237, 1084266), (243, 1057494), (291, 883062), (414, 620703), (474, 542133), (486, 528747), (582, 441531), (621, 413802), (711, 361422), (729, 352498), (873, 294354), (1242, 206901), (1422, 180711), (1458, 176249), (1746, 147177), (1817, 141426), (1863, 137934), (2133, 120474), (2231, 115182), (2619, 98118), (3634, 70713), (3726, 68967), (4266, 60237), (4462, 57591), (5238, 49059), (5451, 47142), (5589, 45978), (6399, 40158), (6693, 38394), (7663, 33534), (7857, 32706), (10902, 23571), (11178, 22989), (12798, 20079), (13386, 19197), (15326, 16767), (15714, 16353)]