128535575

素因数分解:

$5^2\times 7^2\times {\mathrm{317}}^1\times {\mathrm{331}}^1$

素因数の和:672

約数の個数: 36

約数和(自身を含む): 186552792

約数和(自身を除く): 58017217

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 317, 331, 1225, 1585, 1655, 2219, 2317, 7925, 8275, 11095, 11585, 15533, 16219, 55475, 57925, 77665, 81095, 104927, 388325, 405475, 524635, 734489, 2623175, 3672445, 5141423, 18362225, 25707115, 128535575]

約数ペア:

[(1, 128535575), (5, 25707115), (7, 18362225), (25, 5141423), (35, 3672445), (49, 2623175), (175, 734489), (245, 524635), (317, 405475), (331, 388325), (1225, 104927), (1585, 81095), (1655, 77665), (2219, 57925), (2317, 55475), (7925, 16219), (8275, 15533), (11095, 11585)]