827563315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 1071221760

約数和(自身を除く): 243658445

約数列:

[1, 5, 17, 79, 85, 251, 395, 491, 1255, 1343, 2455, 4267, 6715, 8347, 19829, 21335, 38789, 41735, 99145, 123241, 193945, 337093, 616205, 659413, 1685465, 2095097, 3297065, 9736039, 10475485, 48680195, 165512663, 827563315]

約数ペア:

[(1, 827563315), (5, 165512663), (17, 48680195), (79, 10475485), (85, 9736039), (251, 3297065), (395, 2095097), (491, 1685465), (1255, 659413), (1343, 616205), (2455, 337093), (4267, 193945), (6715, 123241), (8347, 99145), (19829, 41735), (21335, 38789)]