390891002045

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{1663}}^1\times {\mathrm{439349}}^1$

素因数の和:441124

約数の個数: 16

約数和(自身を含む): 473738803200

約数和(自身を除く): 82847801155

約数列:

[1, 5, 107, 535, 1663, 8315, 177941, 439349, 889705, 2196745, 47010343, 235051715, 730637387, 3653186935, 78178200409, 390891002045]

約数ペア:

[(1, 390891002045), (5, 78178200409), (107, 3653186935), (535, 730637387), (1663, 235051715), (8315, 47010343), (177941, 2196745), (439349, 889705)]