220128769

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{2591}}^1$

素因数の和:2880

約数の個数: 16

約数和(自身を含む): 257541120

約数和(自身を除く): 37412351

約数列:

[1, 7, 53, 229, 371, 1603, 2591, 12137, 18137, 84959, 137323, 593339, 961261, 4153373, 31446967, 220128769]

約数ペア:

[(1, 220128769), (7, 31446967), (53, 4153373), (229, 961261), (371, 593339), (1603, 137323), (2591, 84959), (12137, 18137)]