257584248

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{22787}}^1$

素因数の和:22956

約数の個数: 48

約数和(自身を含む): 702098280

約数和(自身を除く): 444514032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2826, 3768, 5652, 11304, 22787, 45574, 68361, 91148, 136722, 182296, 205083, 273444, 410166, 546888, 820332, 1640664, 3577559, 7155118, 10732677, 14310236, 21465354, 28620472, 32198031, 42930708, 64396062, 85861416, 128792124, 257584248]

約数ペア:

[(1, 257584248), (2, 128792124), (3, 85861416), (4, 64396062), (6, 42930708), (8, 32198031), (9, 28620472), (12, 21465354), (18, 14310236), (24, 10732677), (36, 7155118), (72, 3577559), (157, 1640664), (314, 820332), (471, 546888), (628, 410166), (942, 273444), (1256, 205083), (1413, 182296), (1884, 136722), (2826, 91148), (3768, 68361), (5652, 45574), (11304, 22787)]