311011372

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{81077}}^1$

素因数の和:81225

約数の個数: 24

約数和(自身を含む): 626570784

約数和(自身を除く): 315559412

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 81077, 162154, 324308, 567539, 1135078, 2270156, 11107549, 22215098, 44430196, 77752843, 155505686, 311011372]

約数ペア:

[(1, 311011372), (2, 155505686), (4, 77752843), (7, 44430196), (14, 22215098), (28, 11107549), (137, 2270156), (274, 1135078), (548, 567539), (959, 324308), (1918, 162154), (3836, 81077)]