313660564

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{17981}}^1$

素因数の和:18088

約数の個数: 36

約数和(自身を含む): 645733620

約数和(自身を除く): 332073056

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 356, 623, 1246, 2492, 4361, 8722, 17444, 17981, 35962, 71924, 125867, 251734, 503468, 881069, 1600309, 1762138, 3200618, 3524276, 6401236, 11202163, 22404326, 44808652, 78415141, 156830282, 313660564]

約数ペア:

[(1, 313660564), (2, 156830282), (4, 78415141), (7, 44808652), (14, 22404326), (28, 11202163), (49, 6401236), (89, 3524276), (98, 3200618), (178, 1762138), (196, 1600309), (356, 881069), (623, 503468), (1246, 251734), (2492, 125867), (4361, 71924), (8722, 35962), (17444, 17981)]