81386005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{9907}}^1$

素因数の和:9996

約数の個数: 16

約数和(自身を含む): 102726144

約数和(自身を除く): 21340139

約数列:

[1, 5, 31, 53, 155, 265, 1643, 8215, 9907, 49535, 307117, 525071, 1535585, 2625355, 16277201, 81386005]

約数ペア:

[(1, 81386005), (5, 16277201), (31, 2625355), (53, 1535585), (155, 525071), (265, 307117), (1643, 49535), (8215, 9907)]