1989908352

素因数分解:

$2^7\times 3^2\times {\mathrm{31}}^1\times {\mathrm{55721}}^1$

素因数の和:55772

約数の個数: 96

約数和(自身を含む): 5910989760

約数和(自身を除く): 3921081408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 279, 288, 372, 384, 496, 558, 576, 744, 992, 1116, 1152, 1488, 1984, 2232, 2976, 3968, 4464, 5952, 8928, 11904, 17856, 35712, 55721, 111442, 167163, 222884, 334326, 445768, 501489, 668652, 891536, 1002978, 1337304, 1727351, 1783072, 2005956, 2674608, 3454702, 3566144, 4011912, 5182053, 5349216, 6909404, 7132288, 8023824, 10364106, 10698432, 13818808, 15546159, 16047648, 20728212, 21396864, 27637616, 31092318, 32095296, 41456424, 55275232, 62184636, 64190592, 82912848, 110550464, 124369272, 165825696, 221100928, 248738544, 331651392, 497477088, 663302784, 994954176, 1989908352]

約数ペア:

[(1, 1989908352), (2, 994954176), (3, 663302784), (4, 497477088), (6, 331651392), (8, 248738544), (9, 221100928), (12, 165825696), (16, 124369272), (18, 110550464), (24, 82912848), (31, 64190592), (32, 62184636), (36, 55275232), (48, 41456424), (62, 32095296), (64, 31092318), (72, 27637616), (93, 21396864), (96, 20728212), (124, 16047648), (128, 15546159), (144, 13818808), (186, 10698432), (192, 10364106), (248, 8023824), (279, 7132288), (288, 6909404), (372, 5349216), (384, 5182053), (496, 4011912), (558, 3566144), (576, 3454702), (744, 2674608), (992, 2005956), (1116, 1783072), (1152, 1727351), (1488, 1337304), (1984, 1002978), (2232, 891536), (2976, 668652), (3968, 501489), (4464, 445768), (5952, 334326), (8928, 222884), (11904, 167163), (17856, 111442), (35712, 55721)]