1278736

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{349}}^1$

素因数の和:586

約数の個数: 20

約数和(自身を含む): 2495500

約数和(自身を除く): 1216764

約数列:

[1, 2, 4, 8, 16, 229, 349, 458, 698, 916, 1396, 1832, 2792, 3664, 5584, 79921, 159842, 319684, 639368, 1278736]

約数ペア:

[(1, 1278736), (2, 639368), (4, 319684), (8, 159842), (16, 79921), (229, 5584), (349, 3664), (458, 2792), (698, 1832), (916, 1396)]