11963980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{881}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 29042496

約数和(自身を除く): 17078516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 881, 970, 1358, 1762, 1940, 2716, 3395, 3524, 4405, 6167, 6790, 8810, 12334, 13580, 17620, 24668, 30835, 61670, 85457, 123340, 170914, 341828, 427285, 598199, 854570, 1196398, 1709140, 2392796, 2990995, 5981990, 11963980]

約数ペア:

[(1, 11963980), (2, 5981990), (4, 2990995), (5, 2392796), (7, 1709140), (10, 1196398), (14, 854570), (20, 598199), (28, 427285), (35, 341828), (70, 170914), (97, 123340), (140, 85457), (194, 61670), (388, 30835), (485, 24668), (679, 17620), (881, 13580), (970, 12334), (1358, 8810), (1762, 6790), (1940, 6167), (2716, 4405), (3395, 3524)]