25431768

素因数分解:

$2^3\times 3^2\times {\mathrm{421}}^1\times {\mathrm{839}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 69123600

約数和(自身を除く): 43691832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 421, 839, 842, 1263, 1678, 1684, 2517, 2526, 3356, 3368, 3789, 5034, 5052, 6712, 7551, 7578, 10068, 10104, 15102, 15156, 20136, 30204, 30312, 60408, 353219, 706438, 1059657, 1412876, 2119314, 2825752, 3178971, 4238628, 6357942, 8477256, 12715884, 25431768]

約数ペア:

[(1, 25431768), (2, 12715884), (3, 8477256), (4, 6357942), (6, 4238628), (8, 3178971), (9, 2825752), (12, 2119314), (18, 1412876), (24, 1059657), (36, 706438), (72, 353219), (421, 60408), (839, 30312), (842, 30204), (1263, 20136), (1678, 15156), (1684, 15102), (2517, 10104), (2526, 10068), (3356, 7578), (3368, 7551), (3789, 6712), (5034, 5052)]