2019901197853

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{12815087}}^1$

素因数の和:12815217

約数の個数: 32

約数和(自身を含む): 2657336647680

約数和(自身を除く): 637435449827

約数列:

[1, 7, 11, 23, 77, 89, 161, 253, 623, 979, 1771, 2047, 6853, 14329, 22517, 157619, 12815087, 89705609, 140965957, 294747001, 986761699, 1140542743, 2063229007, 3242217011, 7983799201, 12545970173, 22695519077, 26232483089, 87821791211, 183627381623, 288557313979, 2019901197853]

約数ペア:

[(1, 2019901197853), (7, 288557313979), (11, 183627381623), (23, 87821791211), (77, 26232483089), (89, 22695519077), (161, 12545970173), (253, 7983799201), (623, 3242217011), (979, 2063229007), (1771, 1140542743), (2047, 986761699), (6853, 294747001), (14329, 140965957), (22517, 89705609), (157619, 12815087)]