2007179993

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{7937}}^1$

素因数の和:8361

約数の個数: 24

約数和(自身を含む): 2521140552

約数和(自身を除く): 513960559

約数列:

[1, 7, 13, 49, 91, 397, 637, 2779, 5161, 7937, 19453, 36127, 55559, 103181, 252889, 388913, 722267, 3150989, 5055869, 22056923, 40962857, 154398461, 286739999, 2007179993]

約数ペア:

[(1, 2007179993), (7, 286739999), (13, 154398461), (49, 40962857), (91, 22056923), (397, 5055869), (637, 3150989), (2779, 722267), (5161, 388913), (7937, 252889), (19453, 103181), (36127, 55559)]