387711268

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{105701}}^1$

素因数の和:105843

約数の個数: 24

約数和(自身を含む): 781349184

約数和(自身を除く): 393637916

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 105701, 211402, 422804, 739907, 1479814, 2959628, 13846831, 27693662, 55387324, 96927817, 193855634, 387711268]

約数ペア:

[(1, 387711268), (2, 193855634), (4, 96927817), (7, 55387324), (14, 27693662), (28, 13846831), (131, 2959628), (262, 1479814), (524, 739907), (917, 422804), (1834, 211402), (3668, 105701)]