261640402

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{773}}^1\times {\mathrm{2039}}^1$

素因数の和:2897

約数の個数: 16

約数和(自身を含む): 397897920

約数和(自身を除く): 136257518

約数列:

[1, 2, 83, 166, 773, 1546, 2039, 4078, 64159, 128318, 169237, 338474, 1576147, 3152294, 130820201, 261640402]

約数ペア:

[(1, 261640402), (2, 130820201), (83, 3152294), (166, 1576147), (773, 338474), (1546, 169237), (2039, 128318), (4078, 64159)]