243209485

素因数分解:

$5^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1\times {\mathrm{631}}^1$

素因数の和:1284

約数の個数: 16

約数和(自身を含む): 294774912

約数和(自身を除く): 51565427

約数列:

[1, 5, 157, 491, 631, 785, 2455, 3155, 77087, 99067, 309821, 385435, 495335, 1549105, 48641897, 243209485]

約数ペア:

[(1, 243209485), (5, 48641897), (157, 1549105), (491, 495335), (631, 385435), (785, 309821), (2455, 99067), (3155, 77087)]