638830068

素因数分解:

$2^2\times 3^1\times {\mathrm{2659}}^1\times {\mathrm{20021}}^1$

素因数の和:22687

約数の個数: 24

約数和(自身を含む): 1491238560

約数和(自身を除く): 852408492

約数列:

[1, 2, 3, 4, 6, 12, 2659, 5318, 7977, 10636, 15954, 20021, 31908, 40042, 60063, 80084, 120126, 240252, 53235839, 106471678, 159707517, 212943356, 319415034, 638830068]

約数ペア:

[(1, 638830068), (2, 319415034), (3, 212943356), (4, 159707517), (6, 106471678), (12, 53235839), (2659, 240252), (5318, 120126), (7977, 80084), (10636, 60063), (15954, 40042), (20021, 31908)]