208569724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{11821}}^1$

素因数の和:12237

約数の個数: 24

約数和(自身を含む): 399205296

約数和(自身を除く): 190635572

約数列:

[1, 2, 4, 11, 22, 44, 401, 802, 1604, 4411, 8822, 11821, 17644, 23642, 47284, 130031, 260062, 520124, 4740221, 9480442, 18960884, 52142431, 104284862, 208569724]

約数ペア:

[(1, 208569724), (2, 104284862), (4, 52142431), (11, 18960884), (22, 9480442), (44, 4740221), (401, 520124), (802, 260062), (1604, 130031), (4411, 47284), (8822, 23642), (11821, 17644)]