28366756

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 58988160

約数和(自身を除く): 30621404

約数列:

[1, 2, 4, 11, 22, 29, 43, 44, 47, 58, 86, 94, 116, 121, 172, 188, 242, 319, 473, 484, 517, 638, 946, 1034, 1247, 1276, 1363, 1892, 2021, 2068, 2494, 2726, 3509, 4042, 4988, 5203, 5452, 5687, 7018, 8084, 10406, 11374, 13717, 14036, 14993, 20812, 22231, 22748, 27434, 29986, 44462, 54868, 58609, 59972, 88924, 117218, 150887, 164923, 234436, 244541, 301774, 329846, 489082, 603548, 644699, 659692, 978164, 1289398, 2578796, 7091689, 14183378, 28366756]

約数ペア:

[(1, 28366756), (2, 14183378), (4, 7091689), (11, 2578796), (22, 1289398), (29, 978164), (43, 659692), (44, 644699), (47, 603548), (58, 489082), (86, 329846), (94, 301774), (116, 244541), (121, 234436), (172, 164923), (188, 150887), (242, 117218), (319, 88924), (473, 59972), (484, 58609), (517, 54868), (638, 44462), (946, 29986), (1034, 27434), (1247, 22748), (1276, 22231), (1363, 20812), (1892, 14993), (2021, 14036), (2068, 13717), (2494, 11374), (2726, 10406), (3509, 8084), (4042, 7018), (4988, 5687), (5203, 5452)]