259780244

素因数分解:

$2^2\times {\mathrm{349}}^1\times {\mathrm{379}}^1\times {\mathrm{491}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 458052000

約数和(自身を除く): 198271756

約数列:

[1, 2, 4, 349, 379, 491, 698, 758, 982, 1396, 1516, 1964, 132271, 171359, 186089, 264542, 342718, 372178, 529084, 685436, 744356, 64945061, 129890122, 259780244]

約数ペア:

[(1, 259780244), (2, 129890122), (4, 64945061), (349, 744356), (379, 685436), (491, 529084), (698, 372178), (758, 342718), (982, 264542), (1396, 186089), (1516, 171359), (1964, 132271)]