218487745

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{3253}}^1$

素因数の和:3385

約数の個数: 32

約数和(自身を含む): 318631680

約数和(自身を除く): 100143935

約数列:

[1, 5, 7, 19, 35, 95, 101, 133, 505, 665, 707, 1919, 3253, 3535, 9595, 13433, 16265, 22771, 61807, 67165, 113855, 309035, 328553, 432649, 1642765, 2163245, 2299871, 6242507, 11499355, 31212535, 43697549, 218487745]

約数ペア:

[(1, 218487745), (5, 43697549), (7, 31212535), (19, 11499355), (35, 6242507), (95, 2299871), (101, 2163245), (133, 1642765), (505, 432649), (665, 328553), (707, 309035), (1919, 113855), (3253, 67165), (3535, 61807), (9595, 22771), (13433, 16265)]