1236745

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 16

約数和(自身を含む): 1566720

約数和(自身を除く): 329975

約数列:

[1, 5, 31, 79, 101, 155, 395, 505, 2449, 3131, 7979, 12245, 15655, 39895, 247349, 1236745]

約数ペア:

[(1, 1236745), (5, 247349), (31, 39895), (79, 15655), (101, 12245), (155, 7979), (395, 3131), (505, 2449)]