639661104

素因数分解:

$2^4\times 3^3\times {\mathrm{79}}^1\times {\mathrm{18743}}^1$

素因数の和:18839

約数の個数: 80

約数和(自身を含む): 1859404800

約数和(自身を除く): 1219743696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 79, 108, 144, 158, 216, 237, 316, 432, 474, 632, 711, 948, 1264, 1422, 1896, 2133, 2844, 3792, 4266, 5688, 8532, 11376, 17064, 18743, 34128, 37486, 56229, 74972, 112458, 149944, 168687, 224916, 299888, 337374, 449832, 506061, 674748, 899664, 1012122, 1349496, 1480697, 2024244, 2698992, 2961394, 4048488, 4442091, 5922788, 8096976, 8884182, 11845576, 13326273, 17768364, 23691152, 26652546, 35536728, 39978819, 53305092, 71073456, 79957638, 106610184, 159915276, 213220368, 319830552, 639661104]

約数ペア:

[(1, 639661104), (2, 319830552), (3, 213220368), (4, 159915276), (6, 106610184), (8, 79957638), (9, 71073456), (12, 53305092), (16, 39978819), (18, 35536728), (24, 26652546), (27, 23691152), (36, 17768364), (48, 13326273), (54, 11845576), (72, 8884182), (79, 8096976), (108, 5922788), (144, 4442091), (158, 4048488), (216, 2961394), (237, 2698992), (316, 2024244), (432, 1480697), (474, 1349496), (632, 1012122), (711, 899664), (948, 674748), (1264, 506061), (1422, 449832), (1896, 337374), (2133, 299888), (2844, 224916), (3792, 168687), (4266, 149944), (5688, 112458), (8532, 74972), (11376, 56229), (17064, 37486), (18743, 34128)]