281189268

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{18553}}^1$

素因数の和:18984

約数の個数: 36

約数和(自身を含む): 712510708

約数和(自身を除く): 431321440

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 842, 1263, 1684, 2526, 3789, 5052, 7578, 15156, 18553, 37106, 55659, 74212, 111318, 166977, 222636, 333954, 667908, 7810813, 15621626, 23432439, 31243252, 46864878, 70297317, 93729756, 140594634, 281189268]

約数ペア:

[(1, 281189268), (2, 140594634), (3, 93729756), (4, 70297317), (6, 46864878), (9, 31243252), (12, 23432439), (18, 15621626), (36, 7810813), (421, 667908), (842, 333954), (1263, 222636), (1684, 166977), (2526, 111318), (3789, 74212), (5052, 55659), (7578, 37106), (15156, 18553)]