1089712

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 40

約数和(自身を含む): 2360960

約数和(自身を除く): 1271248

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 338, 403, 496, 676, 806, 1352, 1612, 2197, 2704, 3224, 4394, 5239, 6448, 8788, 10478, 17576, 20956, 35152, 41912, 68107, 83824, 136214, 272428, 544856, 1089712]

約数ペア:

[(1, 1089712), (2, 544856), (4, 272428), (8, 136214), (13, 83824), (16, 68107), (26, 41912), (31, 35152), (52, 20956), (62, 17576), (104, 10478), (124, 8788), (169, 6448), (208, 5239), (248, 4394), (338, 3224), (403, 2704), (496, 2197), (676, 1612), (806, 1352)]