1892215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 2505888

約数和(自身を除く): 613673

約数列:

[1, 5, 13, 43, 65, 215, 559, 677, 2795, 3385, 8801, 29111, 44005, 145555, 378443, 1892215]

約数ペア:

[(1, 1892215), (5, 378443), (13, 145555), (43, 44005), (65, 29111), (215, 8801), (559, 3385), (677, 2795)]