205144916

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{4127}}^1$

素因数の和:4208

約数の個数: 36

約数和(自身を含む): 390327168

約数和(自身を除く): 185182252

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 289, 578, 731, 1156, 1462, 2924, 4127, 8254, 12427, 16508, 24854, 49708, 70159, 140318, 177461, 280636, 354922, 709844, 1192703, 2385406, 3016837, 4770812, 6033674, 12067348, 51286229, 102572458, 205144916]

約数ペア:

[(1, 205144916), (2, 102572458), (4, 51286229), (17, 12067348), (34, 6033674), (43, 4770812), (68, 3016837), (86, 2385406), (172, 1192703), (289, 709844), (578, 354922), (731, 280636), (1156, 177461), (1462, 140318), (2924, 70159), (4127, 49708), (8254, 24854), (12427, 16508)]