81719736

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21149}}^1$

素因数の和:21188

約数の個数: 64

約数和(自身を含む): 243648000

約数和(自身を除く): 161928264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 276, 322, 483, 552, 644, 966, 1288, 1932, 3864, 21149, 42298, 63447, 84596, 126894, 148043, 169192, 253788, 296086, 444129, 486427, 507576, 592172, 888258, 972854, 1184344, 1459281, 1776516, 1945708, 2918562, 3404989, 3553032, 3891416, 5837124, 6809978, 10214967, 11674248, 13619956, 20429934, 27239912, 40859868, 81719736]

約数ペア:

[(1, 81719736), (2, 40859868), (3, 27239912), (4, 20429934), (6, 13619956), (7, 11674248), (8, 10214967), (12, 6809978), (14, 5837124), (21, 3891416), (23, 3553032), (24, 3404989), (28, 2918562), (42, 1945708), (46, 1776516), (56, 1459281), (69, 1184344), (84, 972854), (92, 888258), (138, 592172), (161, 507576), (168, 486427), (184, 444129), (276, 296086), (322, 253788), (483, 169192), (552, 148043), (644, 126894), (966, 84596), (1288, 63447), (1932, 42298), (3864, 21149)]