491385636

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{649981}}^1$

素因数の和:650001

約数の個数: 48

約数和(自身を含む): 1455959680

約数和(自身を除く): 964574044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 649981, 1299962, 1949943, 2599924, 3899886, 4549867, 5849829, 7799772, 9099734, 11699658, 13649601, 17549487, 18199468, 23399316, 27299202, 35098974, 40948803, 54598404, 70197948, 81897606, 122846409, 163795212, 245692818, 491385636]

約数ペア:

[(1, 491385636), (2, 245692818), (3, 163795212), (4, 122846409), (6, 81897606), (7, 70197948), (9, 54598404), (12, 40948803), (14, 35098974), (18, 27299202), (21, 23399316), (27, 18199468), (28, 17549487), (36, 13649601), (42, 11699658), (54, 9099734), (63, 7799772), (84, 5849829), (108, 4549867), (126, 3899886), (189, 2599924), (252, 1949943), (378, 1299962), (756, 649981)]