19701990464

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{221311}}^1$

素因数の和:221443

約数の個数: 56

約数和(自身を含む): 42497215488

約数和(自身を除く): 22795225024

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 107, 208, 214, 416, 428, 832, 856, 1391, 1712, 2782, 3424, 5564, 6848, 11128, 22256, 44512, 89024, 221311, 442622, 885244, 1770488, 2877043, 3540976, 5754086, 7081952, 11508172, 14163904, 23016344, 23680277, 46032688, 47360554, 92065376, 94721108, 184130752, 189442216, 307843601, 378884432, 615687202, 757768864, 1231374404, 1515537728, 2462748808, 4925497616, 9850995232, 19701990464]

約数ペア:

[(1, 19701990464), (2, 9850995232), (4, 4925497616), (8, 2462748808), (13, 1515537728), (16, 1231374404), (26, 757768864), (32, 615687202), (52, 378884432), (64, 307843601), (104, 189442216), (107, 184130752), (208, 94721108), (214, 92065376), (416, 47360554), (428, 46032688), (832, 23680277), (856, 23016344), (1391, 14163904), (1712, 11508172), (2782, 7081952), (3424, 5754086), (5564, 3540976), (6848, 2877043), (11128, 1770488), (22256, 885244), (44512, 442622), (89024, 221311)]