128914916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{4357}}^1$

素因数の和:4943

約数の個数: 24

約数和(自身を含む): 243437880

約数和(自身を除く): 114522964

約数列:

[1, 2, 4, 13, 26, 52, 569, 1138, 2276, 4357, 7397, 8714, 14794, 17428, 29588, 56641, 113282, 226564, 2479133, 4958266, 9916532, 32228729, 64457458, 128914916]

約数ペア:

[(1, 128914916), (2, 64457458), (4, 32228729), (13, 9916532), (26, 4958266), (52, 2479133), (569, 226564), (1138, 113282), (2276, 56641), (4357, 29588), (7397, 17428), (8714, 14794)]