218241985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{691}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 291570048

約数和(自身を除く): 73328063

約数列:

[1, 5, 13, 43, 65, 113, 215, 559, 565, 691, 1469, 2795, 3455, 4859, 7345, 8983, 24295, 29713, 44915, 63167, 78083, 148565, 315835, 386269, 390415, 1015079, 1931345, 3357569, 5075395, 16787845, 43648397, 218241985]

約数ペア:

[(1, 218241985), (5, 43648397), (13, 16787845), (43, 5075395), (65, 3357569), (113, 1931345), (215, 1015079), (559, 390415), (565, 386269), (691, 315835), (1469, 148565), (2795, 78083), (3455, 63167), (4859, 44915), (7345, 29713), (8983, 24295)]