245804512

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{4357}}^1$

素因数の和:4451

約数の個数: 48

約数和(自身を含む): 507375792

約数和(自身を除く): 261571280

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1312, 1376, 1763, 3526, 4357, 7052, 8714, 14104, 17428, 28208, 34856, 56416, 69712, 139424, 178637, 187351, 357274, 374702, 714548, 749404, 1429096, 1498808, 2858192, 2997616, 5716384, 5995232, 7681391, 15362782, 30725564, 61451128, 122902256, 245804512]

約数ペア:

[(1, 245804512), (2, 122902256), (4, 61451128), (8, 30725564), (16, 15362782), (32, 7681391), (41, 5995232), (43, 5716384), (82, 2997616), (86, 2858192), (164, 1498808), (172, 1429096), (328, 749404), (344, 714548), (656, 374702), (688, 357274), (1312, 187351), (1376, 178637), (1763, 139424), (3526, 69712), (4357, 56416), (7052, 34856), (8714, 28208), (14104, 17428)]