1281821776

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{6379}}^1$

素因数の和:7067

約数の個数: 40

約数和(自身を含む): 2618607200

約数和(自身を除く): 1336785424

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 661, 1322, 2644, 5288, 6379, 10576, 12559, 12758, 25118, 25516, 50236, 51032, 100472, 102064, 121201, 200944, 242402, 484804, 969608, 1939216, 4216519, 8433038, 16866076, 33732152, 67464304, 80113861, 160227722, 320455444, 640910888, 1281821776]

約数ペア:

[(1, 1281821776), (2, 640910888), (4, 320455444), (8, 160227722), (16, 80113861), (19, 67464304), (38, 33732152), (76, 16866076), (152, 8433038), (304, 4216519), (661, 1939216), (1322, 969608), (2644, 484804), (5288, 242402), (6379, 200944), (10576, 121201), (12559, 102064), (12758, 100472), (25118, 51032), (25516, 50236)]