209231116

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{11519}}^1$

素因数の和:11781

約数の個数: 24

約数和(自身を含む): 387072000

約数和(自身を除く): 177840884

約数列:

[1, 2, 4, 19, 38, 76, 239, 478, 956, 4541, 9082, 11519, 18164, 23038, 46076, 218861, 437722, 875444, 2753041, 5506082, 11012164, 52307779, 104615558, 209231116]

約数ペア:

[(1, 209231116), (2, 104615558), (4, 52307779), (19, 11012164), (38, 5506082), (76, 2753041), (239, 875444), (478, 437722), (956, 218861), (4541, 46076), (9082, 23038), (11519, 18164)]