678546

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 1684800

約数和(自身を除く): 1006254

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 46, 66, 69, 99, 138, 149, 198, 207, 253, 298, 414, 447, 506, 759, 894, 1341, 1518, 1639, 2277, 2682, 3278, 3427, 4554, 4917, 6854, 9834, 10281, 14751, 20562, 29502, 30843, 37697, 61686, 75394, 113091, 226182, 339273, 678546]

約数ペア:

[(1, 678546), (2, 339273), (3, 226182), (6, 113091), (9, 75394), (11, 61686), (18, 37697), (22, 30843), (23, 29502), (33, 20562), (46, 14751), (66, 10281), (69, 9834), (99, 6854), (138, 4917), (149, 4554), (198, 3427), (207, 3278), (253, 2682), (298, 2277), (414, 1639), (447, 1518), (506, 1341), (759, 894)]