256307772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1531}}^1\times {\mathrm{1993}}^1$

素因数の和:3538

約数の個数: 48

約数和(自身を含む): 684276992

約数和(自身を除く): 427969220

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1531, 1993, 3062, 3986, 4593, 5979, 6124, 7972, 9186, 10717, 11958, 13951, 18372, 21434, 23916, 27902, 32151, 41853, 42868, 55804, 64302, 83706, 128604, 167412, 3051283, 6102566, 9153849, 12205132, 18307698, 21358981, 36615396, 42717962, 64076943, 85435924, 128153886, 256307772]

約数ペア:

[(1, 256307772), (2, 128153886), (3, 85435924), (4, 64076943), (6, 42717962), (7, 36615396), (12, 21358981), (14, 18307698), (21, 12205132), (28, 9153849), (42, 6102566), (84, 3051283), (1531, 167412), (1993, 128604), (3062, 83706), (3986, 64302), (4593, 55804), (5979, 42868), (6124, 41853), (7972, 32151), (9186, 27902), (10717, 23916), (11958, 21434), (13951, 18372)]