208784158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 347493888

約数和(自身を除く): 138709730

約数列:

[1, 2, 11, 22, 97, 194, 227, 431, 454, 862, 1067, 2134, 2497, 4741, 4994, 9482, 22019, 41807, 44038, 83614, 97837, 195674, 242209, 459877, 484418, 919754, 1076207, 2152414, 9490189, 18980378, 104392079, 208784158]

約数ペア:

[(1, 208784158), (2, 104392079), (11, 18980378), (22, 9490189), (97, 2152414), (194, 1076207), (227, 919754), (431, 484418), (454, 459877), (862, 242209), (1067, 195674), (2134, 97837), (2497, 83614), (4741, 44038), (4994, 41807), (9482, 22019)]