256504017

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{30011}}^1$

素因数の和:30069

約数の個数: 32

約数和(自身を含む): 437935104

約数和(自身を除く): 181431087

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2849, 8547, 30011, 90033, 210077, 330121, 630231, 990363, 1110407, 2310847, 3331221, 6932541, 7772849, 12214477, 23318547, 36643431, 85501339, 256504017]

約数ペア:

[(1, 256504017), (3, 85501339), (7, 36643431), (11, 23318547), (21, 12214477), (33, 7772849), (37, 6932541), (77, 3331221), (111, 2310847), (231, 1110407), (259, 990363), (407, 630231), (777, 330121), (1221, 210077), (2849, 90033), (8547, 30011)]