1217425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 1740960

約数和(自身を除く): 523535

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 233, 275, 475, 1045, 1165, 2563, 4427, 5225, 5825, 12815, 22135, 48697, 64075, 110675, 243485, 1217425]

約数ペア:

[(1, 1217425), (5, 243485), (11, 110675), (19, 64075), (25, 48697), (55, 22135), (95, 12815), (209, 5825), (233, 5225), (275, 4427), (475, 2563), (1045, 1165)]