129581008

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 255046176

約数和(自身を除く): 125465168

約数列:

[1, 2, 4, 8, 16, 131, 211, 262, 293, 422, 524, 586, 844, 1048, 1172, 1688, 2096, 2344, 3376, 4688, 27641, 38383, 55282, 61823, 76766, 110564, 123646, 153532, 221128, 247292, 307064, 442256, 494584, 614128, 989168, 8098813, 16197626, 32395252, 64790504, 129581008]

約数ペア:

[(1, 129581008), (2, 64790504), (4, 32395252), (8, 16197626), (16, 8098813), (131, 989168), (211, 614128), (262, 494584), (293, 442256), (422, 307064), (524, 247292), (586, 221128), (844, 153532), (1048, 123646), (1172, 110564), (1688, 76766), (2096, 61823), (2344, 55282), (3376, 38383), (4688, 27641)]