28461356

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 64886976

約数和(自身を除く): 36425620

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 49, 77, 86, 98, 154, 172, 196, 301, 307, 308, 473, 539, 602, 614, 946, 1078, 1204, 1228, 1892, 2107, 2149, 2156, 3311, 3377, 4214, 4298, 6622, 6754, 8428, 8596, 13201, 13244, 13508, 15043, 23177, 23639, 26402, 30086, 46354, 47278, 52804, 60172, 92407, 92708, 94556, 145211, 165473, 184814, 290422, 330946, 369628, 580844, 646849, 661892, 1016477, 1293698, 2032954, 2587396, 4065908, 7115339, 14230678, 28461356]

約数ペア:

[(1, 28461356), (2, 14230678), (4, 7115339), (7, 4065908), (11, 2587396), (14, 2032954), (22, 1293698), (28, 1016477), (43, 661892), (44, 646849), (49, 580844), (77, 369628), (86, 330946), (98, 290422), (154, 184814), (172, 165473), (196, 145211), (301, 94556), (307, 92708), (308, 92407), (473, 60172), (539, 52804), (602, 47278), (614, 46354), (946, 30086), (1078, 26402), (1204, 23639), (1228, 23177), (1892, 15043), (2107, 13508), (2149, 13244), (2156, 13201), (3311, 8596), (3377, 8428), (4214, 6754), (4298, 6622)]