81337304

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2089}}^1$

素因数の和:2283

約数の個数: 32

約数和(自身を含む): 158505600

約数和(自身を除く): 77168296

約数列:

[1, 2, 4, 8, 31, 62, 124, 157, 248, 314, 628, 1256, 2089, 4178, 4867, 8356, 9734, 16712, 19468, 38936, 64759, 129518, 259036, 327973, 518072, 655946, 1311892, 2623784, 10167163, 20334326, 40668652, 81337304]

約数ペア:

[(1, 81337304), (2, 40668652), (4, 20334326), (8, 10167163), (31, 2623784), (62, 1311892), (124, 655946), (157, 518072), (248, 327973), (314, 259036), (628, 129518), (1256, 64759), (2089, 38936), (4178, 19468), (4867, 16712), (8356, 9734)]