28789228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1123}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 59482080

約数和(自身を除く): 30692852

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 52, 58, 68, 116, 221, 377, 442, 493, 754, 884, 986, 1123, 1508, 1972, 2246, 4492, 6409, 12818, 14599, 19091, 25636, 29198, 32567, 38182, 58396, 65134, 76364, 130268, 248183, 423371, 496366, 553639, 846742, 992732, 1107278, 1693484, 2214556, 7197307, 14394614, 28789228]

約数ペア:

[(1, 28789228), (2, 14394614), (4, 7197307), (13, 2214556), (17, 1693484), (26, 1107278), (29, 992732), (34, 846742), (52, 553639), (58, 496366), (68, 423371), (116, 248183), (221, 130268), (377, 76364), (442, 65134), (493, 58396), (754, 38182), (884, 32567), (986, 29198), (1123, 25636), (1508, 19091), (1972, 14599), (2246, 12818), (4492, 6409)]