1389628247

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{21943}}^1$

素因数の和:22142

約数の個数: 16

約数和(自身を含む): 1622100480

約数和(自身を除く): 232472233

約数列:

[1, 7, 83, 109, 581, 763, 9047, 21943, 63329, 153601, 1821269, 2391787, 12748883, 16742509, 198518321, 1389628247]

約数ペア:

[(1, 1389628247), (7, 198518321), (83, 16742509), (109, 12748883), (581, 2391787), (763, 1821269), (9047, 153601), (21943, 63329)]