291227518

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1432

約数の個数: 32

約数和(自身を含む): 471905280

約数和(自身を除く): 180677762

約数列:

[1, 2, 23, 37, 46, 74, 139, 278, 851, 1231, 1702, 2462, 3197, 5143, 6394, 10286, 28313, 45547, 56626, 91094, 118289, 171109, 236578, 342218, 1047581, 2095162, 3935507, 6331033, 7871014, 12662066, 145613759, 291227518]

約数ペア:

[(1, 291227518), (2, 145613759), (23, 12662066), (37, 7871014), (46, 6331033), (74, 3935507), (139, 2095162), (278, 1047581), (851, 342218), (1231, 236578), (1702, 171109), (2462, 118289), (3197, 91094), (5143, 56626), (6394, 45547), (10286, 28313)]