66404478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25919}}^1$

素因数の和:25992

約数の個数: 32

約数和(自身を含む): 154275840

約数和(自身を除く): 87871362

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 25919, 51838, 77757, 155514, 181433, 362866, 544299, 1088598, 1581059, 3162118, 4743177, 9486354, 11067413, 22134826, 33202239, 66404478]

約数ペア:

[(1, 66404478), (2, 33202239), (3, 22134826), (6, 11067413), (7, 9486354), (14, 4743177), (21, 3162118), (42, 1581059), (61, 1088598), (122, 544299), (183, 362866), (366, 181433), (427, 155514), (854, 77757), (1281, 51838), (2562, 25919)]