81932845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 109486080

約数和(自身を除く): 27553235

約数列:

[1, 5, 19, 31, 43, 95, 155, 215, 589, 647, 817, 1333, 2945, 3235, 4085, 6665, 12293, 20057, 25327, 27821, 61465, 100285, 126635, 139105, 381083, 528599, 862451, 1905415, 2642995, 4312255, 16386569, 81932845]

約数ペア:

[(1, 81932845), (5, 16386569), (19, 4312255), (31, 2642995), (43, 1905415), (95, 862451), (155, 528599), (215, 381083), (589, 139105), (647, 126635), (817, 100285), (1333, 61465), (2945, 27821), (3235, 25327), (4085, 20057), (6665, 12293)]