28979468

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 60782400

約数和(自身を除く): 31802932

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 89, 116, 178, 203, 356, 401, 406, 623, 802, 812, 1246, 1604, 2492, 2581, 2807, 5162, 5614, 10324, 11228, 11629, 18067, 23258, 35689, 36134, 46516, 71378, 72268, 81403, 142756, 162806, 249823, 325612, 499646, 999292, 1034981, 2069962, 4139924, 7244867, 14489734, 28979468]

約数ペア:

[(1, 28979468), (2, 14489734), (4, 7244867), (7, 4139924), (14, 2069962), (28, 1034981), (29, 999292), (58, 499646), (89, 325612), (116, 249823), (178, 162806), (203, 142756), (356, 81403), (401, 72268), (406, 71378), (623, 46516), (802, 36134), (812, 35689), (1246, 23258), (1604, 18067), (2492, 11629), (2581, 11228), (2807, 10324), (5162, 5614)]