211672868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{67757}}^1$

素因数の和:67843

約数の個数: 24

約数和(自身を含む): 409800384

約数和(自身を除く): 198127516

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 67757, 135514, 271028, 745327, 1490654, 2981308, 4810747, 9621494, 19242988, 52918217, 105836434, 211672868]

約数ペア:

[(1, 211672868), (2, 105836434), (4, 52918217), (11, 19242988), (22, 9621494), (44, 4810747), (71, 2981308), (142, 1490654), (284, 745327), (781, 271028), (1562, 135514), (3124, 67757)]