61249825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 99844800

約数和(自身を除く): 38594975

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 109, 133, 169, 175, 247, 325, 455, 475, 545, 665, 763, 845, 1183, 1235, 1417, 1729, 2071, 2275, 2725, 3211, 3325, 3815, 4225, 5915, 6175, 7085, 8645, 9919, 10355, 14497, 16055, 18421, 19075, 22477, 26923, 29575, 35425, 43225, 49595, 51775, 72485, 80275, 92105, 112385, 128947, 134615, 188461, 247975, 349999, 362425, 460525, 561925, 644735, 673075, 942305, 1749995, 2449993, 3223675, 4711525, 8749975, 12249965, 61249825]

約数ペア:

[(1, 61249825), (5, 12249965), (7, 8749975), (13, 4711525), (19, 3223675), (25, 2449993), (35, 1749995), (65, 942305), (91, 673075), (95, 644735), (109, 561925), (133, 460525), (169, 362425), (175, 349999), (247, 247975), (325, 188461), (455, 134615), (475, 128947), (545, 112385), (665, 92105), (763, 80275), (845, 72485), (1183, 51775), (1235, 49595), (1417, 43225), (1729, 35425), (2071, 29575), (2275, 26923), (2725, 22477), (3211, 19075), (3325, 18421), (3815, 16055), (4225, 14497), (5915, 10355), (6175, 9919), (7085, 8645)]