861356

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 1632960

約数和(自身を除く): 771604

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 239, 478, 901, 956, 1802, 3604, 4063, 8126, 12667, 16252, 25334, 50668, 215339, 430678, 861356]

約数ペア:

[(1, 861356), (2, 430678), (4, 215339), (17, 50668), (34, 25334), (53, 16252), (68, 12667), (106, 8126), (212, 4063), (239, 3604), (478, 1802), (901, 956)]