640151604

素因数分解:

$2^2\times 3^2\times {\mathrm{929}}^1\times {\mathrm{19141}}^1$

素因数の和:20080

約数の個数: 36

約数和(自身を含む): 1619987460

約数和(自身を除く): 979835856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 929, 1858, 2787, 3716, 5574, 8361, 11148, 16722, 19141, 33444, 38282, 57423, 76564, 114846, 172269, 229692, 344538, 689076, 17781989, 35563978, 53345967, 71127956, 106691934, 160037901, 213383868, 320075802, 640151604]

約数ペア:

[(1, 640151604), (2, 320075802), (3, 213383868), (4, 160037901), (6, 106691934), (9, 71127956), (12, 53345967), (18, 35563978), (36, 17781989), (929, 689076), (1858, 344538), (2787, 229692), (3716, 172269), (5574, 114846), (8361, 76564), (11148, 57423), (16722, 38282), (19141, 33444)]