678644514

素因数分解:

$2^1\times 3^3\times {\mathrm{12567491}}^1$

素因数の和:12567502

約数の個数: 16

約数和(自身を含む): 1508099040

約数和(自身を除く): 829454526

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 12567491, 25134982, 37702473, 75404946, 113107419, 226214838, 339322257, 678644514]

約数ペア:

[(1, 678644514), (2, 339322257), (3, 226214838), (6, 113107419), (9, 75404946), (18, 37702473), (27, 25134982), (54, 12567491)]