15663901136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{178877}}^1$

素因数の和:179319

約数の個数: 40

約数和(自身を含む): 32761147944

約数和(自身を除く): 17097246808

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 421, 842, 1684, 3368, 5473, 6736, 10946, 21892, 43784, 87568, 178877, 357754, 715508, 1431016, 2325401, 2862032, 4650802, 9301604, 18603208, 37206416, 75307217, 150614434, 301228868, 602457736, 978993821, 1204915472, 1957987642, 3915975284, 7831950568, 15663901136]

約数ペア:

[(1, 15663901136), (2, 7831950568), (4, 3915975284), (8, 1957987642), (13, 1204915472), (16, 978993821), (26, 602457736), (52, 301228868), (104, 150614434), (208, 75307217), (421, 37206416), (842, 18603208), (1684, 9301604), (3368, 4650802), (5473, 2862032), (6736, 2325401), (10946, 1431016), (21892, 715508), (43784, 357754), (87568, 178877)]