156977407636

素因数分解:

$2^2\times 7^2\times {\mathrm{2029}}^1\times {\mathrm{394729}}^1$

素因数の和:396776

約数の個数: 36

約数和(自身を含む): 319719458100

約数和(自身を除く): 162742050464

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 2029, 4058, 8116, 14203, 28406, 56812, 99421, 198842, 394729, 397684, 789458, 1578916, 2763103, 5526206, 11052412, 19341721, 38683442, 77366884, 800905141, 1601810282, 3203620564, 5606335987, 11212671974, 22425343948, 39244351909, 78488703818, 156977407636]

約数ペア:

[(1, 156977407636), (2, 78488703818), (4, 39244351909), (7, 22425343948), (14, 11212671974), (28, 5606335987), (49, 3203620564), (98, 1601810282), (196, 800905141), (2029, 77366884), (4058, 38683442), (8116, 19341721), (14203, 11052412), (28406, 5526206), (56812, 2763103), (99421, 1578916), (198842, 789458), (394729, 397684)]