258972644

素因数分解:

$2^2\times 7^2\times {\mathrm{1321289}}^1$

素因数の和:1321307

約数の個数: 18

約数和(自身を含む): 527194710

約数和(自身を除く): 268222066

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1321289, 2642578, 5285156, 9249023, 18498046, 36996092, 64743161, 129486322, 258972644]

約数ペア:

[(1, 258972644), (2, 129486322), (4, 64743161), (7, 36996092), (14, 18498046), (28, 9249023), (49, 5285156), (98, 2642578), (196, 1321289)]