1398628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 3225600

約数和(自身を除く): 1826972

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 239, 266, 308, 418, 478, 532, 836, 956, 1463, 1673, 2629, 2926, 3346, 4541, 5258, 5852, 6692, 9082, 10516, 18164, 18403, 31787, 36806, 49951, 63574, 73612, 99902, 127148, 199804, 349657, 699314, 1398628]

約数ペア:

[(1, 1398628), (2, 699314), (4, 349657), (7, 199804), (11, 127148), (14, 99902), (19, 73612), (22, 63574), (28, 49951), (38, 36806), (44, 31787), (76, 18403), (77, 18164), (133, 10516), (154, 9082), (209, 6692), (239, 5852), (266, 5258), (308, 4541), (418, 3346), (478, 2926), (532, 2629), (836, 1673), (956, 1463)]