256032435

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{2371}}^1$

素因数の和:2715

約数の個数: 32

約数和(自身を含む): 429009408

約数和(自身を除く): 172976973

約数列:

[1, 3, 5, 15, 23, 69, 115, 313, 345, 939, 1565, 2371, 4695, 7113, 7199, 11855, 21597, 35565, 35995, 54533, 107985, 163599, 272665, 742123, 817995, 2226369, 3710615, 11131845, 17068829, 51206487, 85344145, 256032435]

約数ペア:

[(1, 256032435), (3, 85344145), (5, 51206487), (15, 17068829), (23, 11131845), (69, 3710615), (115, 2226369), (313, 817995), (345, 742123), (939, 272665), (1565, 163599), (2371, 107985), (4695, 54533), (7113, 35995), (7199, 35565), (11855, 21597)]