61669475

素因数分解:

$5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 91333440

約数和(自身を除く): 29663965

約数列:

[1, 5, 7, 25, 35, 53, 61, 109, 175, 265, 305, 371, 427, 545, 763, 1325, 1525, 1855, 2135, 2725, 3233, 3815, 5777, 6649, 9275, 10675, 16165, 19075, 22631, 28885, 33245, 40439, 46543, 80825, 113155, 144425, 166225, 202195, 232715, 352397, 565775, 1010975, 1163575, 1761985, 2466779, 8809925, 12333895, 61669475]

約数ペア:

[(1, 61669475), (5, 12333895), (7, 8809925), (25, 2466779), (35, 1761985), (53, 1163575), (61, 1010975), (109, 565775), (175, 352397), (265, 232715), (305, 202195), (371, 166225), (427, 144425), (545, 113155), (763, 80825), (1325, 46543), (1525, 40439), (1855, 33245), (2135, 28885), (2725, 22631), (3233, 19075), (3815, 16165), (5777, 10675), (6649, 9275)]