209931425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{739}}^1\times {\mathrm{1033}}^1$

素因数の和:1793

約数の個数: 24

約数和(自身を含む): 284639520

約数和(自身を除く): 74708095

約数列:

[1, 5, 11, 25, 55, 275, 739, 1033, 3695, 5165, 8129, 11363, 18475, 25825, 40645, 56815, 203225, 284075, 763387, 3816935, 8397257, 19084675, 41986285, 209931425]

約数ペア:

[(1, 209931425), (5, 41986285), (11, 19084675), (25, 8397257), (55, 3816935), (275, 763387), (739, 284075), (1033, 203225), (3695, 56815), (5165, 40645), (8129, 25825), (11363, 18475)]