207287728

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{461}}^1$

素因数の和:805

約数の個数: 40

約数和(自身を含む): 407317680

約数和(自身を除く): 200029952

約数列:

[1, 2, 4, 8, 16, 157, 179, 314, 358, 461, 628, 716, 922, 1256, 1432, 1844, 2512, 2864, 3688, 7376, 28103, 56206, 72377, 82519, 112412, 144754, 165038, 224824, 289508, 330076, 449648, 579016, 660152, 1158032, 1320304, 12955483, 25910966, 51821932, 103643864, 207287728]

約数ペア:

[(1, 207287728), (2, 103643864), (4, 51821932), (8, 25910966), (16, 12955483), (157, 1320304), (179, 1158032), (314, 660152), (358, 579016), (461, 449648), (628, 330076), (716, 289508), (922, 224824), (1256, 165038), (1432, 144754), (1844, 112412), (2512, 82519), (2864, 72377), (3688, 56206), (7376, 28103)]