64123638

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 130717152

約数和(自身を除く): 66593514

約数列:

[1, 2, 3, 6, 73, 146, 219, 281, 438, 521, 562, 843, 1042, 1563, 1686, 3126, 20513, 38033, 41026, 61539, 76066, 114099, 123078, 146401, 228198, 292802, 439203, 878406, 10687273, 21374546, 32061819, 64123638]

約数ペア:

[(1, 64123638), (2, 32061819), (3, 21374546), (6, 10687273), (73, 878406), (146, 439203), (219, 292802), (281, 228198), (438, 146401), (521, 123078), (562, 114099), (843, 76066), (1042, 61539), (1563, 41026), (1686, 38033), (3126, 20513)]