289775356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1279}}^1\times {\mathrm{4357}}^1$

素因数の和:5653

約数の個数: 24

約数和(自身を含む): 546667520

約数和(自身を除く): 256892164

約数列:

[1, 2, 4, 13, 26, 52, 1279, 2558, 4357, 5116, 8714, 16627, 17428, 33254, 56641, 66508, 113282, 226564, 5572603, 11145206, 22290412, 72443839, 144887678, 289775356]

約数ペア:

[(1, 289775356), (2, 144887678), (4, 72443839), (13, 22290412), (26, 11145206), (52, 5572603), (1279, 226564), (2558, 113282), (4357, 66508), (5116, 56641), (8714, 33254), (16627, 17428)]