168872004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21617}}^1$

素因数の和:21665

約数の個数: 72

約数和(自身を含む): 503612928

約数和(自身を除く): 334740924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 21617, 43234, 64851, 86468, 129702, 151319, 194553, 259404, 302638, 389106, 453957, 605276, 670127, 778212, 907914, 1340254, 1361871, 1815828, 2010381, 2680508, 2723742, 4020762, 4690889, 5447484, 6031143, 8041524, 9381778, 12062286, 14072667, 18763556, 24124572, 28145334, 42218001, 56290668, 84436002, 168872004]

約数ペア:

[(1, 168872004), (2, 84436002), (3, 56290668), (4, 42218001), (6, 28145334), (7, 24124572), (9, 18763556), (12, 14072667), (14, 12062286), (18, 9381778), (21, 8041524), (28, 6031143), (31, 5447484), (36, 4690889), (42, 4020762), (62, 2723742), (63, 2680508), (84, 2010381), (93, 1815828), (124, 1361871), (126, 1340254), (186, 907914), (217, 778212), (252, 670127), (279, 605276), (372, 453957), (434, 389106), (558, 302638), (651, 259404), (868, 194553), (1116, 151319), (1302, 129702), (1953, 86468), (2604, 64851), (3906, 43234), (7812, 21617)]