208119956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 406328832

約数和(自身を除く): 198208876

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 227, 268, 311, 454, 622, 737, 908, 1244, 1474, 2497, 2948, 3421, 4994, 6842, 9988, 13684, 15209, 20837, 30418, 41674, 60836, 70597, 83348, 141194, 167299, 229207, 282388, 334598, 458414, 669196, 776567, 916828, 1553134, 3106268, 4729999, 9459998, 18919996, 52029989, 104059978, 208119956]

約数ペア:

[(1, 208119956), (2, 104059978), (4, 52029989), (11, 18919996), (22, 9459998), (44, 4729999), (67, 3106268), (134, 1553134), (227, 916828), (268, 776567), (311, 669196), (454, 458414), (622, 334598), (737, 282388), (908, 229207), (1244, 167299), (1474, 141194), (2497, 83348), (2948, 70597), (3421, 60836), (4994, 41674), (6842, 30418), (9988, 20837), (13684, 15209)]