331350340

素因数分解:

$2^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{12853}}^1$

素因数の和:14151

約数の個数: 24

約数和(自身を含む): 696429720

約数和(自身を除く): 365079380

約数列:

[1, 2, 4, 5, 10, 20, 1289, 2578, 5156, 6445, 12853, 12890, 25706, 25780, 51412, 64265, 128530, 257060, 16567517, 33135034, 66270068, 82837585, 165675170, 331350340]

約数ペア:

[(1, 331350340), (2, 165675170), (4, 82837585), (5, 66270068), (10, 33135034), (20, 16567517), (1289, 257060), (2578, 128530), (5156, 64265), (6445, 51412), (12853, 25780), (12890, 25706)]