28049252

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 65423232

約数和(自身を除く): 37373980

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 121, 154, 187, 238, 242, 308, 374, 476, 484, 487, 748, 847, 974, 1309, 1694, 1948, 2057, 2618, 3388, 3409, 4114, 5236, 5357, 6818, 8228, 8279, 10714, 13636, 14399, 16558, 21428, 28798, 33116, 37499, 57596, 57953, 58927, 74998, 91069, 115906, 117854, 149996, 182138, 231812, 235708, 364276, 412489, 637483, 824978, 1001759, 1274966, 1649956, 2003518, 2549932, 4007036, 7012313, 14024626, 28049252]

約数ペア:

[(1, 28049252), (2, 14024626), (4, 7012313), (7, 4007036), (11, 2549932), (14, 2003518), (17, 1649956), (22, 1274966), (28, 1001759), (34, 824978), (44, 637483), (68, 412489), (77, 364276), (119, 235708), (121, 231812), (154, 182138), (187, 149996), (238, 117854), (242, 115906), (308, 91069), (374, 74998), (476, 58927), (484, 57953), (487, 57596), (748, 37499), (847, 33116), (974, 28798), (1309, 21428), (1694, 16558), (1948, 14399), (2057, 13636), (2618, 10714), (3388, 8279), (3409, 8228), (4114, 6818), (5236, 5357)]