78707272

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73973}}^1$

素因数の和:74005

約数の個数: 32

約数和(自身を含む): 177537600

約数和(自身を除く): 98830328

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 73973, 147946, 295892, 517811, 591784, 1035622, 1405487, 2071244, 2810974, 4142488, 5621948, 9838409, 11243896, 19676818, 39353636, 78707272]

約数ペア:

[(1, 78707272), (2, 39353636), (4, 19676818), (7, 11243896), (8, 9838409), (14, 5621948), (19, 4142488), (28, 2810974), (38, 2071244), (56, 1405487), (76, 1035622), (133, 591784), (152, 517811), (266, 295892), (532, 147946), (1064, 73973)]