12706925

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 21373632

約数和(自身を除く): 8666707

約数列:

[1, 5, 7, 11, 23, 25, 35, 41, 49, 55, 77, 115, 161, 175, 205, 245, 253, 275, 287, 385, 451, 539, 575, 805, 943, 1025, 1127, 1225, 1265, 1435, 1771, 1925, 2009, 2255, 2695, 3157, 4025, 4715, 5635, 6325, 6601, 7175, 8855, 10045, 10373, 11275, 12397, 13475, 15785, 22099, 23575, 28175, 33005, 44275, 46207, 50225, 51865, 61985, 72611, 78925, 110495, 165025, 231035, 259325, 309925, 363055, 508277, 552475, 1155175, 1815275, 2541385, 12706925]

約数ペア:

[(1, 12706925), (5, 2541385), (7, 1815275), (11, 1155175), (23, 552475), (25, 508277), (35, 363055), (41, 309925), (49, 259325), (55, 231035), (77, 165025), (115, 110495), (161, 78925), (175, 72611), (205, 61985), (245, 51865), (253, 50225), (275, 46207), (287, 44275), (385, 33005), (451, 28175), (539, 23575), (575, 22099), (805, 15785), (943, 13475), (1025, 12397), (1127, 11275), (1225, 10373), (1265, 10045), (1435, 8855), (1771, 7175), (1925, 6601), (2009, 6325), (2255, 5635), (2695, 4715), (3157, 4025)]