256129416

素因数分解:

$2^3\times 3^2\times {\mathrm{113}}^1\times {\mathrm{31481}}^1$

素因数の和:31606

約数の個数: 48

約数和(自身を含む): 699844860

約数和(自身を除く): 443715444

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 113, 226, 339, 452, 678, 904, 1017, 1356, 2034, 2712, 4068, 8136, 31481, 62962, 94443, 125924, 188886, 251848, 283329, 377772, 566658, 755544, 1133316, 2266632, 3557353, 7114706, 10672059, 14229412, 21344118, 28458824, 32016177, 42688236, 64032354, 85376472, 128064708, 256129416]

約数ペア:

[(1, 256129416), (2, 128064708), (3, 85376472), (4, 64032354), (6, 42688236), (8, 32016177), (9, 28458824), (12, 21344118), (18, 14229412), (24, 10672059), (36, 7114706), (72, 3557353), (113, 2266632), (226, 1133316), (339, 755544), (452, 566658), (678, 377772), (904, 283329), (1017, 251848), (1356, 188886), (2034, 125924), (2712, 94443), (4068, 62962), (8136, 31481)]