678585430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3991679}}^1$

素因数の和:3991703

約数の個数: 16

約数和(自身を含む): 1293304320

約数和(自身を除く): 614718890

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 3991679, 7983358, 19958395, 39916790, 67858543, 135717086, 339292715, 678585430]

約数ペア:

[(1, 678585430), (2, 339292715), (5, 135717086), (10, 67858543), (17, 39916790), (34, 19958395), (85, 7983358), (170, 3991679)]