678889206

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{1639829}}^1$

素因数の和:1639860

約数の個数: 24

約数和(自身を含む): 1534880880

約数和(自身を除く): 855991674

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 1639829, 3279658, 4919487, 9838974, 14758461, 29516922, 37716067, 75432134, 113148201, 226296402, 339444603, 678889206]

約数ペア:

[(1, 678889206), (2, 339444603), (3, 226296402), (6, 113148201), (9, 75432134), (18, 37716067), (23, 29516922), (46, 14758461), (69, 9838974), (138, 4919487), (207, 3279658), (414, 1639829)]