259789218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{7949}}^1$

素因数の和:8386

約数の個数: 32

約数和(自身を含む): 560952000

約数和(自身を除く): 301162782

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 419, 838, 1257, 2514, 5447, 7949, 10894, 15898, 16341, 23847, 32682, 47694, 103337, 206674, 310011, 620022, 3330631, 6661262, 9991893, 19983786, 43298203, 86596406, 129894609, 259789218]

約数ペア:

[(1, 259789218), (2, 129894609), (3, 86596406), (6, 43298203), (13, 19983786), (26, 9991893), (39, 6661262), (78, 3330631), (419, 620022), (838, 310011), (1257, 206674), (2514, 103337), (5447, 47694), (7949, 32682), (10894, 23847), (15898, 16341)]