20161718143

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{9949}}^1$

素因数の和:10327

約数の個数: 32

約数和(自身を含む): 24712934400

約数和(自身を除く): 4551216257

約数列:

[1, 7, 23, 41, 161, 287, 307, 943, 2149, 6601, 7061, 9949, 12587, 49427, 69643, 88109, 228827, 289501, 407909, 1601789, 2026507, 2855363, 3054343, 9381907, 21380401, 65673349, 70249889, 125228063, 491749223, 876596441, 2880245449, 20161718143]

約数ペア:

[(1, 20161718143), (7, 2880245449), (23, 876596441), (41, 491749223), (161, 125228063), (287, 70249889), (307, 65673349), (943, 21380401), (2149, 9381907), (6601, 3054343), (7061, 2855363), (9949, 2026507), (12587, 1601789), (49427, 407909), (69643, 289501), (88109, 228827)]