258510428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{309223}}^1$

素因数の和:309257

約数の個数: 24

約数和(自身を含む): 519496320

約数和(自身を除く): 260985892

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 309223, 618446, 1236892, 3401453, 5875237, 6802906, 11750474, 13605812, 23500948, 64627607, 129255214, 258510428]

約数ペア:

[(1, 258510428), (2, 129255214), (4, 64627607), (11, 23500948), (19, 13605812), (22, 11750474), (38, 6802906), (44, 5875237), (76, 3401453), (209, 1236892), (418, 618446), (836, 309223)]