29990108

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{25943}}^1$

素因数の和:25981

約数の個数: 18

約数和(自身を含む): 55753656

約数和(自身を除く): 25763548

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 25943, 51886, 103772, 441031, 882062, 1764124, 7497527, 14995054, 29990108]

約数ペア:

[(1, 29990108), (2, 14995054), (4, 7497527), (17, 1764124), (34, 882062), (68, 441031), (289, 103772), (578, 51886), (1156, 25943)]