81978830

素因数分解:

$2^1\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{5573}}^1$

素因数の和:7051

約数の個数: 16

約数和(自身を含む): 147688704

約数和(自身を除く): 65709874

約数列:

[1, 2, 5, 10, 1471, 2942, 5573, 7355, 11146, 14710, 27865, 55730, 8197883, 16395766, 40989415, 81978830]

約数ペア:

[(1, 81978830), (2, 40989415), (5, 16395766), (10, 8197883), (1471, 55730), (2942, 27865), (5573, 14710), (7355, 11146)]