2123169895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{479}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 3301171200

約数和(自身を除く): 1178001305

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 397, 479, 1015, 1595, 1985, 2233, 2395, 2779, 3353, 4367, 5269, 11165, 11513, 13891, 13895, 16765, 21835, 26345, 30569, 36883, 57565, 69455, 80591, 97237, 126643, 152801, 152845, 184415, 190163, 402955, 486185, 633215, 764005, 886501, 950815, 1069607, 1331141, 2091793, 4432505, 5348035, 5514727, 6655705, 10458965, 14642551, 27573635, 38603089, 60661997, 73212755, 193015445, 303309985, 424633979, 2123169895]

約数ペア:

[(1, 2123169895), (5, 424633979), (7, 303309985), (11, 193015445), (29, 73212755), (35, 60661997), (55, 38603089), (77, 27573635), (145, 14642551), (203, 10458965), (319, 6655705), (385, 5514727), (397, 5348035), (479, 4432505), (1015, 2091793), (1595, 1331141), (1985, 1069607), (2233, 950815), (2395, 886501), (2779, 764005), (3353, 633215), (4367, 486185), (5269, 402955), (11165, 190163), (11513, 184415), (13891, 152845), (13895, 152801), (16765, 126643), (21835, 97237), (26345, 80591), (30569, 69455), (36883, 57565)]