77974765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 116121600

約数和(自身を除く): 38146835

約数列:

[1, 5, 11, 19, 29, 31, 55, 83, 95, 145, 155, 209, 319, 341, 415, 551, 589, 899, 913, 1045, 1577, 1595, 1705, 2407, 2573, 2755, 2945, 4495, 4565, 6061, 6479, 7885, 9889, 12035, 12865, 17081, 17347, 26477, 28303, 30305, 32395, 45733, 48887, 49445, 74617, 85405, 86735, 132385, 141515, 187891, 228665, 244435, 373085, 503063, 537757, 820787, 939455, 1417723, 2515315, 2688785, 4103935, 7088615, 15594953, 77974765]

約数ペア:

[(1, 77974765), (5, 15594953), (11, 7088615), (19, 4103935), (29, 2688785), (31, 2515315), (55, 1417723), (83, 939455), (95, 820787), (145, 537757), (155, 503063), (209, 373085), (319, 244435), (341, 228665), (415, 187891), (551, 141515), (589, 132385), (899, 86735), (913, 85405), (1045, 74617), (1577, 49445), (1595, 48887), (1705, 45733), (2407, 32395), (2573, 30305), (2755, 28303), (2945, 26477), (4495, 17347), (4565, 17081), (6061, 12865), (6479, 12035), (7885, 9889)]