389490638

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{1621}}^1$

素因数の和:1868

約数の個数: 32

約数和(自身を含む): 639042048

約数和(自身を除く): 249551410

約数列:

[1, 2, 17, 34, 37, 74, 191, 382, 629, 1258, 1621, 3242, 3247, 6494, 7067, 14134, 27557, 55114, 59977, 119954, 120139, 240278, 309611, 619222, 1019609, 2039218, 5263387, 10526774, 11455607, 22911214, 194745319, 389490638]

約数ペア:

[(1, 389490638), (2, 194745319), (17, 22911214), (34, 11455607), (37, 10526774), (74, 5263387), (191, 2039218), (382, 1019609), (629, 619222), (1258, 309611), (1621, 240278), (3242, 120139), (3247, 119954), (6494, 59977), (7067, 55114), (14134, 27557)]