198018431

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 238049280

約数和(自身を除く): 40030849

約数列:

[1, 13, 17, 23, 163, 221, 239, 299, 391, 2119, 2771, 3107, 3749, 4063, 5083, 5497, 36023, 38957, 48737, 52819, 63733, 71461, 93449, 506441, 662269, 828529, 896011, 1214837, 8609497, 11648143, 15232187, 198018431]

約数ペア:

[(1, 198018431), (13, 15232187), (17, 11648143), (23, 8609497), (163, 1214837), (221, 896011), (239, 828529), (299, 662269), (391, 506441), (2119, 93449), (2771, 71461), (3107, 63733), (3749, 52819), (4063, 48737), (5083, 38957), (5497, 36023)]