1993554416

素因数分解:

$2^4\times 7^3\times {\mathrm{363257}}^1$

素因数の和:363286

約数の個数: 40

約数和(自身を含む): 4504399200

約数和(自身を除く): 2510844784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 5488, 363257, 726514, 1453028, 2542799, 2906056, 5085598, 5812112, 10171196, 17799593, 20342392, 35599186, 40684784, 71198372, 124597151, 142396744, 249194302, 284793488, 498388604, 996777208, 1993554416]

約数ペア:

[(1, 1993554416), (2, 996777208), (4, 498388604), (7, 284793488), (8, 249194302), (14, 142396744), (16, 124597151), (28, 71198372), (49, 40684784), (56, 35599186), (98, 20342392), (112, 17799593), (196, 10171196), (343, 5812112), (392, 5085598), (686, 2906056), (784, 2542799), (1372, 1453028), (2744, 726514), (5488, 363257)]