208735268

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 425128704

約数和(自身を除く): 216393436

約数列:

[1, 2, 4, 7, 14, 28, 103, 157, 206, 314, 412, 461, 628, 721, 922, 1099, 1442, 1844, 2198, 2884, 3227, 4396, 6454, 12908, 16171, 32342, 47483, 64684, 72377, 94966, 113197, 144754, 189932, 226394, 289508, 332381, 452788, 506639, 664762, 1013278, 1329524, 2026556, 7454831, 14909662, 29819324, 52183817, 104367634, 208735268]

約数ペア:

[(1, 208735268), (2, 104367634), (4, 52183817), (7, 29819324), (14, 14909662), (28, 7454831), (103, 2026556), (157, 1329524), (206, 1013278), (314, 664762), (412, 506639), (461, 452788), (628, 332381), (721, 289508), (922, 226394), (1099, 189932), (1442, 144754), (1844, 113197), (2198, 94966), (2884, 72377), (3227, 64684), (4396, 47483), (6454, 32342), (12908, 16171)]