208571825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1117}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 326062464

約数和(自身を除く): 117490639

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 97, 175, 275, 385, 485, 679, 1067, 1117, 1925, 2425, 3395, 5335, 5585, 7469, 7819, 12287, 16975, 26675, 27925, 37345, 39095, 61435, 86009, 108349, 186725, 195475, 307175, 430045, 541745, 758443, 1191839, 2150225, 2708725, 3792215, 5959195, 8342873, 18961075, 29795975, 41714365, 208571825]

約数ペア:

[(1, 208571825), (5, 41714365), (7, 29795975), (11, 18961075), (25, 8342873), (35, 5959195), (55, 3792215), (77, 2708725), (97, 2150225), (175, 1191839), (275, 758443), (385, 541745), (485, 430045), (679, 307175), (1067, 195475), (1117, 186725), (1925, 108349), (2425, 86009), (3395, 61435), (5335, 39095), (5585, 37345), (7469, 27925), (7819, 26675), (12287, 16975)]