209225388

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^2$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 524385792

約数和(自身を除く): 315160404

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 47, 69, 92, 94, 127, 138, 141, 188, 254, 276, 282, 381, 508, 564, 762, 1081, 1524, 2162, 2921, 3243, 4324, 5842, 5969, 6486, 8763, 11684, 11938, 12972, 16129, 17526, 17907, 23876, 32258, 35052, 35814, 48387, 64516, 71628, 96774, 137287, 193548, 274574, 370967, 411861, 549148, 741934, 758063, 823722, 1112901, 1483868, 1516126, 1647444, 2225802, 2274189, 3032252, 4451604, 4548378, 9096756, 17435449, 34870898, 52306347, 69741796, 104612694, 209225388]

約数ペア:

[(1, 209225388), (2, 104612694), (3, 69741796), (4, 52306347), (6, 34870898), (12, 17435449), (23, 9096756), (46, 4548378), (47, 4451604), (69, 3032252), (92, 2274189), (94, 2225802), (127, 1647444), (138, 1516126), (141, 1483868), (188, 1112901), (254, 823722), (276, 758063), (282, 741934), (381, 549148), (508, 411861), (564, 370967), (762, 274574), (1081, 193548), (1524, 137287), (2162, 96774), (2921, 71628), (3243, 64516), (4324, 48387), (5842, 35814), (5969, 35052), (6486, 32258), (8763, 23876), (11684, 17907), (11938, 17526), (12972, 16129)]