989872126

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1\times {\mathrm{439}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 1541675520

約数和(自身を除く): 551803394

約数列:

[1, 2, 43, 86, 157, 167, 314, 334, 439, 878, 6751, 7181, 13502, 14362, 18877, 26219, 37754, 52438, 68923, 73313, 137846, 146626, 1127417, 2254834, 2963689, 3152459, 5927378, 6304918, 11510141, 23020282, 494936063, 989872126]

約数ペア:

[(1, 989872126), (2, 494936063), (43, 23020282), (86, 11510141), (157, 6304918), (167, 5927378), (314, 3152459), (334, 2963689), (439, 2254834), (878, 1127417), (6751, 146626), (7181, 137846), (13502, 73313), (14362, 68923), (18877, 52438), (26219, 37754)]