1390928

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1129}}^1$

素因数の和:1155

約数の個数: 40

約数和(自身を含む): 3362880

約数和(自身を除く): 1971952

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1129, 1232, 2258, 4516, 7903, 9032, 12419, 15806, 18064, 24838, 31612, 49676, 63224, 86933, 99352, 126448, 173866, 198704, 347732, 695464, 1390928]

約数ペア:

[(1, 1390928), (2, 695464), (4, 347732), (7, 198704), (8, 173866), (11, 126448), (14, 99352), (16, 86933), (22, 63224), (28, 49676), (44, 31612), (56, 24838), (77, 18064), (88, 15806), (112, 12419), (154, 9032), (176, 7903), (308, 4516), (616, 2258), (1129, 1232)]