67398625

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 106748928

約数和(自身を除く): 39350303

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 125, 161, 175, 197, 391, 425, 575, 595, 805, 875, 985, 1379, 1955, 2125, 2737, 2875, 2975, 3349, 4025, 4531, 4925, 6895, 9775, 13685, 14875, 16745, 20125, 22655, 23443, 24625, 31717, 34475, 48875, 68425, 77027, 83725, 113275, 117215, 158585, 172375, 342125, 385135, 418625, 539189, 566375, 586075, 792925, 1925675, 2695945, 2930375, 3964625, 9628375, 13479725, 67398625]

約数ペア:

[(1, 67398625), (5, 13479725), (7, 9628375), (17, 3964625), (23, 2930375), (25, 2695945), (35, 1925675), (85, 792925), (115, 586075), (119, 566375), (125, 539189), (161, 418625), (175, 385135), (197, 342125), (391, 172375), (425, 158585), (575, 117215), (595, 113275), (805, 83725), (875, 77027), (985, 68425), (1379, 48875), (1955, 34475), (2125, 31717), (2737, 24625), (2875, 23443), (2975, 22655), (3349, 20125), (4025, 16745), (4531, 14875), (4925, 13685), (6895, 9775)]