28135688

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^2\times {\mathrm{367}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 62133120

約数和(自身を除く): 33997432

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 367, 518, 734, 1036, 1369, 1468, 2072, 2569, 2738, 2936, 5138, 5476, 9583, 10276, 10952, 13579, 19166, 20552, 27158, 38332, 54316, 76664, 95053, 108632, 190106, 380212, 502423, 760424, 1004846, 2009692, 3516961, 4019384, 7033922, 14067844, 28135688]

約数ペア:

[(1, 28135688), (2, 14067844), (4, 7033922), (7, 4019384), (8, 3516961), (14, 2009692), (28, 1004846), (37, 760424), (56, 502423), (74, 380212), (148, 190106), (259, 108632), (296, 95053), (367, 76664), (518, 54316), (734, 38332), (1036, 27158), (1369, 20552), (1468, 19166), (2072, 13579), (2569, 10952), (2738, 10276), (2936, 9583), (5138, 5476)]