84163820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{323707}}^1$

素因数の和:323729

約数の個数: 24

約数和(自身を含む): 190340304

約数和(自身を除く): 106176484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 323707, 647414, 1294828, 1618535, 3237070, 4208191, 6474140, 8416382, 16832764, 21040955, 42081910, 84163820]

約数ペア:

[(1, 84163820), (2, 42081910), (4, 21040955), (5, 16832764), (10, 8416382), (13, 6474140), (20, 4208191), (26, 3237070), (52, 1618535), (65, 1294828), (130, 647414), (260, 323707)]