16890804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 49370048

約数和(自身を除く): 32479244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 97, 126, 194, 252, 291, 388, 582, 679, 691, 873, 1164, 1358, 1382, 1746, 2037, 2073, 2716, 2764, 3492, 4074, 4146, 4837, 6111, 6219, 8148, 8292, 9674, 12222, 12438, 14511, 19348, 24444, 24876, 29022, 43533, 58044, 67027, 87066, 134054, 174132, 201081, 268108, 402162, 469189, 603243, 804324, 938378, 1206486, 1407567, 1876756, 2412972, 2815134, 4222701, 5630268, 8445402, 16890804]

約数ペア:

[(1, 16890804), (2, 8445402), (3, 5630268), (4, 4222701), (6, 2815134), (7, 2412972), (9, 1876756), (12, 1407567), (14, 1206486), (18, 938378), (21, 804324), (28, 603243), (36, 469189), (42, 402162), (63, 268108), (84, 201081), (97, 174132), (126, 134054), (194, 87066), (252, 67027), (291, 58044), (388, 43533), (582, 29022), (679, 24876), (691, 24444), (873, 19348), (1164, 14511), (1358, 12438), (1382, 12222), (1746, 9674), (2037, 8292), (2073, 8148), (2716, 6219), (2764, 6111), (3492, 4837), (4074, 4146)]