28309072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{673}}^1$

素因数の和:931

約数の個数: 40

約数和(自身を含む): 60174720

約数和(自身を除く): 31865648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 239, 478, 673, 956, 1346, 1912, 2629, 2692, 3824, 5258, 5384, 7403, 10516, 10768, 14806, 21032, 29612, 42064, 59224, 118448, 160847, 321694, 643388, 1286776, 1769317, 2573552, 3538634, 7077268, 14154536, 28309072]

約数ペア:

[(1, 28309072), (2, 14154536), (4, 7077268), (8, 3538634), (11, 2573552), (16, 1769317), (22, 1286776), (44, 643388), (88, 321694), (176, 160847), (239, 118448), (478, 59224), (673, 42064), (956, 29612), (1346, 21032), (1912, 14806), (2629, 10768), (2692, 10516), (3824, 7403), (5258, 5384)]