71617780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{275453}}^1$

素因数の和:275475

約数の個数: 24

約数和(自身を含む): 161966952

約数和(自身を除く): 90349172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 275453, 550906, 1101812, 1377265, 2754530, 3580889, 5509060, 7161778, 14323556, 17904445, 35808890, 71617780]

約数ペア:

[(1, 71617780), (2, 35808890), (4, 17904445), (5, 14323556), (10, 7161778), (13, 5509060), (20, 3580889), (26, 2754530), (52, 1377265), (65, 1101812), (130, 550906), (260, 275453)]