81912230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{13907}}^1$

素因数の和:13964

約数の個数: 32

約数和(自身を含む): 160220160

約数和(自身を除く): 78307930

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 13907, 27814, 69535, 139070, 264233, 431117, 528466, 862234, 1321165, 2155585, 2642330, 4311170, 8191223, 16382446, 40956115, 81912230]

約数ペア:

[(1, 81912230), (2, 40956115), (5, 16382446), (10, 8191223), (19, 4311170), (31, 2642330), (38, 2155585), (62, 1321165), (95, 862234), (155, 528466), (190, 431117), (310, 264233), (589, 139070), (1178, 69535), (2945, 27814), (5890, 13907)]