79797575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 124987536

約数和(自身を除く): 45189961

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 101, 143, 169, 187, 221, 275, 325, 425, 505, 715, 845, 935, 1105, 1111, 1313, 1717, 1859, 2431, 2525, 2873, 3575, 4225, 4675, 5525, 5555, 6565, 8585, 9295, 12155, 14365, 14443, 17069, 18887, 22321, 27775, 31603, 32825, 42925, 46475, 60775, 71825, 72215, 85345, 94435, 111605, 158015, 187759, 245531, 290173, 361075, 426725, 472175, 558025, 790075, 938795, 1227655, 1450865, 3191903, 4693975, 6138275, 7254325, 15959515, 79797575]

約数ペア:

[(1, 79797575), (5, 15959515), (11, 7254325), (13, 6138275), (17, 4693975), (25, 3191903), (55, 1450865), (65, 1227655), (85, 938795), (101, 790075), (143, 558025), (169, 472175), (187, 426725), (221, 361075), (275, 290173), (325, 245531), (425, 187759), (505, 158015), (715, 111605), (845, 94435), (935, 85345), (1105, 72215), (1111, 71825), (1313, 60775), (1717, 46475), (1859, 42925), (2431, 32825), (2525, 31603), (2873, 27775), (3575, 22321), (4225, 18887), (4675, 17069), (5525, 14443), (5555, 14365), (6565, 12155), (8585, 9295)]