639198072

素因数分解:

$2^3\times 3^2\times {\mathrm{331}}^1\times {\mathrm{26821}}^1$

素因数の和:27164

約数の個数: 48

約数和(自身を含む): 1736456280

約数和(自身を除く): 1097258208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 331, 662, 993, 1324, 1986, 2648, 2979, 3972, 5958, 7944, 11916, 23832, 26821, 53642, 80463, 107284, 160926, 214568, 241389, 321852, 482778, 643704, 965556, 1931112, 8877751, 17755502, 26633253, 35511004, 53266506, 71022008, 79899759, 106533012, 159799518, 213066024, 319599036, 639198072]

約数ペア:

[(1, 639198072), (2, 319599036), (3, 213066024), (4, 159799518), (6, 106533012), (8, 79899759), (9, 71022008), (12, 53266506), (18, 35511004), (24, 26633253), (36, 17755502), (72, 8877751), (331, 1931112), (662, 965556), (993, 643704), (1324, 482778), (1986, 321852), (2648, 241389), (2979, 214568), (3972, 160926), (5958, 107284), (7944, 80463), (11916, 53642), (23832, 26821)]