81421872

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7817}}^1$

素因数の和:7866

約数の個数: 80

約数和(自身を含む): 248174592

約数和(自身を除く): 166752720

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 2604, 3472, 5208, 7817, 10416, 15634, 23451, 31268, 46902, 54719, 62536, 93804, 109438, 125072, 164157, 187608, 218876, 242327, 328314, 375216, 437752, 484654, 656628, 726981, 875504, 969308, 1313256, 1453962, 1696289, 1938616, 2626512, 2907924, 3392578, 3877232, 5088867, 5815848, 6785156, 10177734, 11631696, 13570312, 20355468, 27140624, 40710936, 81421872]

約数ペア:

[(1, 81421872), (2, 40710936), (3, 27140624), (4, 20355468), (6, 13570312), (7, 11631696), (8, 10177734), (12, 6785156), (14, 5815848), (16, 5088867), (21, 3877232), (24, 3392578), (28, 2907924), (31, 2626512), (42, 1938616), (48, 1696289), (56, 1453962), (62, 1313256), (84, 969308), (93, 875504), (112, 726981), (124, 656628), (168, 484654), (186, 437752), (217, 375216), (248, 328314), (336, 242327), (372, 218876), (434, 187608), (496, 164157), (651, 125072), (744, 109438), (868, 93804), (1302, 62536), (1488, 54719), (1736, 46902), (2604, 31268), (3472, 23451), (5208, 15634), (7817, 10416)]