257769252

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{550789}}^1$

素因数の和:550812

約数の個数: 36

約数和(自身を含む): 701706460

約数和(自身を除く): 443937208

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 550789, 1101578, 1652367, 2203156, 3304734, 4957101, 6609468, 7160257, 9914202, 14320514, 19828404, 21480771, 28641028, 42961542, 64442313, 85923084, 128884626, 257769252]

約数ペア:

[(1, 257769252), (2, 128884626), (3, 85923084), (4, 64442313), (6, 42961542), (9, 28641028), (12, 21480771), (13, 19828404), (18, 14320514), (26, 9914202), (36, 7160257), (39, 6609468), (52, 4957101), (78, 3304734), (117, 2203156), (156, 1652367), (234, 1101578), (468, 550789)]