1279380475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{7507}}^1$

素因数の和:7935

約数の個数: 24

約数和(自身を含む): 1684164528

約数和(自身を除く): 404784053

約数列:

[1, 5, 17, 25, 85, 401, 425, 2005, 6817, 7507, 10025, 34085, 37535, 127619, 170425, 187675, 638095, 3010307, 3190475, 15051535, 51175219, 75257675, 255876095, 1279380475]

約数ペア:

[(1, 1279380475), (5, 255876095), (17, 75257675), (25, 51175219), (85, 15051535), (401, 3190475), (425, 3010307), (2005, 638095), (6817, 187675), (7507, 170425), (10025, 127619), (34085, 37535)]