12949475

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2$

素因数の和:97

約数の個数: 54

約数和(自身を含む): 21055572

約数和(自身を除く): 8106097

約数列:

[1, 5, 7, 11, 25, 31, 35, 49, 55, 77, 155, 175, 217, 245, 275, 341, 385, 539, 775, 961, 1085, 1225, 1519, 1705, 1925, 2387, 2695, 4805, 5425, 6727, 7595, 8525, 10571, 11935, 13475, 16709, 24025, 33635, 37975, 47089, 52855, 59675, 73997, 83545, 168175, 235445, 264275, 369985, 417725, 517979, 1177225, 1849925, 2589895, 12949475]

約数ペア:

[(1, 12949475), (5, 2589895), (7, 1849925), (11, 1177225), (25, 517979), (31, 417725), (35, 369985), (49, 264275), (55, 235445), (77, 168175), (155, 83545), (175, 73997), (217, 59675), (245, 52855), (275, 47089), (341, 37975), (385, 33635), (539, 24025), (775, 16709), (961, 13475), (1085, 11935), (1225, 10571), (1519, 8525), (1705, 7595), (1925, 6727), (2387, 5425), (2695, 4805)]