998919695

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{20219}}^1$

素因数の和:20506

約数の個数: 16

約数和(自身を含む): 1233096480

約数和(自身を除く): 234176785

約数列:

[1, 5, 41, 205, 241, 1205, 9881, 20219, 49405, 101095, 828979, 4144895, 4872779, 24363895, 199783939, 998919695]

約数ペア:

[(1, 998919695), (5, 199783939), (41, 24363895), (205, 4872779), (241, 4144895), (1205, 828979), (9881, 101095), (20219, 49405)]