279291232

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{4243}}^1$

素因数の和:4292

約数の個数: 72

約数和(自身を含む): 640088568

約数和(自身を除く): 360797336

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 121, 136, 176, 187, 242, 272, 352, 374, 484, 544, 748, 968, 1496, 1936, 2057, 2992, 3872, 4114, 4243, 5984, 8228, 8486, 16456, 16972, 32912, 33944, 46673, 65824, 67888, 72131, 93346, 135776, 144262, 186692, 288524, 373384, 513403, 577048, 746768, 793441, 1026806, 1154096, 1493536, 1586882, 2053612, 2308192, 3173764, 4107224, 6347528, 8214448, 8727851, 12695056, 16428896, 17455702, 25390112, 34911404, 69822808, 139645616, 279291232]

約数ペア:

[(1, 279291232), (2, 139645616), (4, 69822808), (8, 34911404), (11, 25390112), (16, 17455702), (17, 16428896), (22, 12695056), (32, 8727851), (34, 8214448), (44, 6347528), (68, 4107224), (88, 3173764), (121, 2308192), (136, 2053612), (176, 1586882), (187, 1493536), (242, 1154096), (272, 1026806), (352, 793441), (374, 746768), (484, 577048), (544, 513403), (748, 373384), (968, 288524), (1496, 186692), (1936, 144262), (2057, 135776), (2992, 93346), (3872, 72131), (4114, 67888), (4243, 65824), (5984, 46673), (8228, 33944), (8486, 32912), (16456, 16972)]