1388172318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1\times {\mathrm{20201}}^1$

素因数の和:21100

約数の個数: 32

約数和(自身を含む): 2993451552

約数和(自身を除く): 1605279234

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 881, 1762, 2643, 5286, 11453, 20201, 22906, 34359, 40402, 60603, 68718, 121206, 262613, 525226, 787839, 1575678, 17797081, 35594162, 53391243, 106782486, 231362053, 462724106, 694086159, 1388172318]

約数ペア:

[(1, 1388172318), (2, 694086159), (3, 462724106), (6, 231362053), (13, 106782486), (26, 53391243), (39, 35594162), (78, 17797081), (881, 1575678), (1762, 787839), (2643, 525226), (5286, 262613), (11453, 121206), (20201, 68718), (22906, 60603), (34359, 40402)]