780065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1091}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 1100736

約数和(自身を除く): 320671

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 1091, 5455, 12001, 14183, 60005, 70915, 156013, 780065]

約数ペア:

[(1, 780065), (5, 156013), (11, 70915), (13, 60005), (55, 14183), (65, 12001), (143, 5455), (715, 1091)]