639455412

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{1499}}^1\times {\mathrm{1871}}^1$

素因数の和:3396

約数の個数: 48

約数和(自身を含む): 1572480000

約数和(自身を除く): 933024588

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 1499, 1871, 2998, 3742, 4497, 5613, 5996, 7484, 8994, 11226, 17988, 22452, 28481, 35549, 56962, 71098, 85443, 106647, 113924, 142196, 170886, 213294, 341772, 426588, 2804629, 5609258, 8413887, 11218516, 16827774, 33655548, 53287951, 106575902, 159863853, 213151804, 319727706, 639455412]

約数ペア:

[(1, 639455412), (2, 319727706), (3, 213151804), (4, 159863853), (6, 106575902), (12, 53287951), (19, 33655548), (38, 16827774), (57, 11218516), (76, 8413887), (114, 5609258), (228, 2804629), (1499, 426588), (1871, 341772), (2998, 213294), (3742, 170886), (4497, 142196), (5613, 113924), (5996, 106647), (7484, 85443), (8994, 71098), (11226, 56962), (17988, 35549), (22452, 28481)]