1321252705

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{33961}}^1$

素因数の和:34248

約数の個数: 16

約数和(自身を含む): 1643217408

約数和(自身を除く): 321964703

約数列:

[1, 5, 31, 155, 251, 1255, 7781, 33961, 38905, 169805, 1052791, 5263955, 8524211, 42621055, 264250541, 1321252705]

約数ペア:

[(1, 1321252705), (5, 264250541), (31, 42621055), (155, 8524211), (251, 5263955), (1255, 1052791), (7781, 169805), (33961, 38905)]