1997397144

素因数分解:

$2^3\times 3^4\times {\mathrm{193}}^1\times {\mathrm{15971}}^1$

素因数の和:16182

約数の個数: 80

約数和(自身を含む): 5623900920

約数和(自身を除く): 3626503776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 193, 216, 324, 386, 579, 648, 772, 1158, 1544, 1737, 2316, 3474, 4632, 5211, 6948, 10422, 13896, 15633, 15971, 20844, 31266, 31942, 41688, 47913, 62532, 63884, 95826, 125064, 127768, 143739, 191652, 287478, 383304, 431217, 574956, 862434, 1149912, 1293651, 1724868, 2587302, 3082403, 3449736, 5174604, 6164806, 9247209, 10349208, 12329612, 18494418, 24659224, 27741627, 36988836, 55483254, 73977672, 83224881, 110966508, 166449762, 221933016, 249674643, 332899524, 499349286, 665799048, 998698572, 1997397144]

約数ペア:

[(1, 1997397144), (2, 998698572), (3, 665799048), (4, 499349286), (6, 332899524), (8, 249674643), (9, 221933016), (12, 166449762), (18, 110966508), (24, 83224881), (27, 73977672), (36, 55483254), (54, 36988836), (72, 27741627), (81, 24659224), (108, 18494418), (162, 12329612), (193, 10349208), (216, 9247209), (324, 6164806), (386, 5174604), (579, 3449736), (648, 3082403), (772, 2587302), (1158, 1724868), (1544, 1293651), (1737, 1149912), (2316, 862434), (3474, 574956), (4632, 431217), (5211, 383304), (6948, 287478), (10422, 191652), (13896, 143739), (15633, 127768), (15971, 125064), (20844, 95826), (31266, 63884), (31942, 62532), (41688, 47913)]