490625876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{178021}}^1$

素因数の和:178091

約数の個数: 24

約数和(自身を含む): 942092424

約数和(自身を除く): 451466548

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 178021, 356042, 712084, 2314273, 4628546, 9257092, 9435113, 18870226, 37740452, 122656469, 245312938, 490625876]

約数ペア:

[(1, 490625876), (2, 245312938), (4, 122656469), (13, 37740452), (26, 18870226), (52, 9435113), (53, 9257092), (106, 4628546), (212, 2314273), (689, 712084), (1378, 356042), (2756, 178021)]