81664466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{907}}^1\times {\mathrm{3463}}^1$

素因数の和:4385

約数の個数: 16

約数和(自身を含む): 132103104

約数和(自身を除く): 50438638

約数列:

[1, 2, 13, 26, 907, 1814, 3463, 6926, 11791, 23582, 45019, 90038, 3140941, 6281882, 40832233, 81664466]

約数ペア:

[(1, 81664466), (2, 40832233), (13, 6281882), (26, 3140941), (907, 90038), (1814, 45019), (3463, 23582), (6926, 11791)]