639843790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{63793}}^1$

素因数の和:63876

約数の個数: 32

約数和(自身を含む): 1240155360

約数和(自身を除く): 600311570

約数列:

[1, 2, 5, 10, 17, 34, 59, 85, 118, 170, 295, 590, 1003, 2006, 5015, 10030, 63793, 127586, 318965, 637930, 1084481, 2168962, 3763787, 5422405, 7527574, 10844810, 18818935, 37637870, 63984379, 127968758, 319921895, 639843790]

約数ペア:

[(1, 639843790), (2, 319921895), (5, 127968758), (10, 63984379), (17, 37637870), (34, 18818935), (59, 10844810), (85, 7527574), (118, 5422405), (170, 3763787), (295, 2168962), (590, 1084481), (1003, 637930), (2006, 318965), (5015, 127586), (10030, 63793)]