81313568

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9811}}^1$

素因数の和:9865

約数の個数: 48

約数和(自身を含む): 187919424

約数和(自身を除く): 106605856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 74, 112, 148, 224, 259, 296, 518, 592, 1036, 1184, 2072, 4144, 8288, 9811, 19622, 39244, 68677, 78488, 137354, 156976, 274708, 313952, 363007, 549416, 726014, 1098832, 1452028, 2197664, 2541049, 2904056, 5082098, 5808112, 10164196, 11616224, 20328392, 40656784, 81313568]

約数ペア:

[(1, 81313568), (2, 40656784), (4, 20328392), (7, 11616224), (8, 10164196), (14, 5808112), (16, 5082098), (28, 2904056), (32, 2541049), (37, 2197664), (56, 1452028), (74, 1098832), (112, 726014), (148, 549416), (224, 363007), (259, 313952), (296, 274708), (518, 156976), (592, 137354), (1036, 78488), (1184, 68677), (2072, 39244), (4144, 19622), (8288, 9811)]