85217185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 115061760

約数和(自身を除く): 29844575

約数列:

[1, 5, 19, 23, 43, 95, 115, 215, 437, 817, 907, 989, 2185, 4085, 4535, 4945, 17233, 18791, 20861, 39001, 86165, 93955, 104305, 195005, 396359, 741019, 897023, 1981795, 3705095, 4485115, 17043437, 85217185]

約数ペア:

[(1, 85217185), (5, 17043437), (19, 4485115), (23, 3705095), (43, 1981795), (95, 897023), (115, 741019), (215, 396359), (437, 195005), (817, 104305), (907, 93955), (989, 86165), (2185, 39001), (4085, 20861), (4535, 18791), (4945, 17233)]