1661565125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2293}}^1$

素因数の和:2367

約数の個数: 64

約数和(自身を含む): 2473555968

約数和(自身を除く): 811990843

約数列:

[1, 5, 11, 17, 25, 31, 55, 85, 125, 155, 187, 275, 341, 425, 527, 775, 935, 1375, 1705, 2125, 2293, 2635, 3875, 4675, 5797, 8525, 11465, 13175, 23375, 25223, 28985, 38981, 42625, 57325, 65875, 71083, 126115, 144925, 194905, 286625, 355415, 428791, 630575, 724625, 781913, 974525, 1208411, 1777075, 2143955, 3152875, 3909565, 4872625, 6042055, 8885375, 10719775, 13292521, 19547825, 30210275, 53598875, 66462605, 97739125, 151051375, 332313025, 1661565125]

約数ペア:

[(1, 1661565125), (5, 332313025), (11, 151051375), (17, 97739125), (25, 66462605), (31, 53598875), (55, 30210275), (85, 19547825), (125, 13292521), (155, 10719775), (187, 8885375), (275, 6042055), (341, 4872625), (425, 3909565), (527, 3152875), (775, 2143955), (935, 1777075), (1375, 1208411), (1705, 974525), (2125, 781913), (2293, 724625), (2635, 630575), (3875, 428791), (4675, 355415), (5797, 286625), (8525, 194905), (11465, 144925), (13175, 126115), (23375, 71083), (25223, 65875), (28985, 57325), (38981, 42625)]