9980425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 15748992

約数和(自身を除く): 5768567

約数列:

[1, 5, 7, 13, 25, 35, 41, 65, 91, 107, 175, 205, 287, 325, 455, 533, 535, 749, 1025, 1391, 1435, 2275, 2665, 2675, 3731, 3745, 4387, 6955, 7175, 9737, 13325, 18655, 18725, 21935, 30709, 34775, 48685, 57031, 93275, 109675, 153545, 243425, 285155, 399217, 767725, 1425775, 1996085, 9980425]

約数ペア:

[(1, 9980425), (5, 1996085), (7, 1425775), (13, 767725), (25, 399217), (35, 285155), (41, 243425), (65, 153545), (91, 109675), (107, 93275), (175, 57031), (205, 48685), (287, 34775), (325, 30709), (455, 21935), (533, 18725), (535, 18655), (749, 13325), (1025, 9737), (1391, 7175), (1435, 6955), (2275, 4387), (2665, 3745), (2675, 3731)]