211026475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 302123520

約数和(自身を除く): 91097045

約数列:

[1, 5, 11, 25, 29, 47, 55, 145, 235, 275, 319, 517, 563, 725, 1175, 1363, 1595, 2585, 2815, 6193, 6815, 7975, 12925, 14075, 14993, 16327, 26461, 30965, 34075, 74965, 81635, 132305, 154825, 179597, 291071, 374825, 408175, 661525, 767369, 897985, 1455355, 3836845, 4489925, 7276775, 8441059, 19184225, 42205295, 211026475]

約数ペア:

[(1, 211026475), (5, 42205295), (11, 19184225), (25, 8441059), (29, 7276775), (47, 4489925), (55, 3836845), (145, 1455355), (235, 897985), (275, 767369), (319, 661525), (517, 408175), (563, 374825), (725, 291071), (1175, 179597), (1363, 154825), (1595, 132305), (2585, 81635), (2815, 74965), (6193, 34075), (6815, 30965), (7975, 26461), (12925, 16327), (14075, 14993)]