2149778855

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{3803}}^1$

素因数の和:4367

約数の個数: 32

約数和(自身を含む): 3050016768

約数和(自身を除く): 900237913

約数列:

[1, 5, 7, 31, 35, 155, 217, 521, 1085, 2605, 3647, 3803, 16151, 18235, 19015, 26621, 80755, 113057, 117893, 133105, 565285, 589465, 825251, 1981363, 4126255, 9906815, 13869541, 61422253, 69347705, 307111265, 429955771, 2149778855]

約数ペア:

[(1, 2149778855), (5, 429955771), (7, 307111265), (31, 69347705), (35, 61422253), (155, 13869541), (217, 9906815), (521, 4126255), (1085, 1981363), (2605, 825251), (3647, 589465), (3803, 565285), (16151, 133105), (18235, 117893), (19015, 113057), (26621, 80755)]