89904890

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{971}}^1$

素因数の和:1222

約数の個数: 32

約数和(自身を含む): 166281984

約数和(自身を除く): 76377094

約数列:

[1, 2, 5, 10, 47, 94, 197, 235, 394, 470, 971, 985, 1942, 1970, 4855, 9259, 9710, 18518, 45637, 46295, 91274, 92590, 191287, 228185, 382574, 456370, 956435, 1912870, 8990489, 17980978, 44952445, 89904890]

約数ペア:

[(1, 89904890), (2, 44952445), (5, 17980978), (10, 8990489), (47, 1912870), (94, 956435), (197, 456370), (235, 382574), (394, 228185), (470, 191287), (971, 92590), (985, 91274), (1942, 46295), (1970, 45637), (4855, 18518), (9259, 9710)]