12970401808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{81727}}^1$

素因数の和:81864

約数の個数: 80

約数和(自身を含む): 31213557760

約数和(自身を除く): 18243155952

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 109, 112, 182, 208, 218, 364, 436, 728, 763, 872, 1417, 1456, 1526, 1744, 2834, 3052, 5668, 6104, 9919, 11336, 12208, 19838, 22672, 39676, 79352, 81727, 158704, 163454, 326908, 572089, 653816, 1062451, 1144178, 1307632, 2124902, 2288356, 4249804, 4576712, 7437157, 8499608, 8908243, 9153424, 14874314, 16999216, 17816486, 29748628, 35632972, 59497256, 62357701, 71265944, 115807159, 118994512, 124715402, 142531888, 231614318, 249430804, 463228636, 498861608, 810650113, 926457272, 997723216, 1621300226, 1852914544, 3242600452, 6485200904, 12970401808]

約数ペア:

[(1, 12970401808), (2, 6485200904), (4, 3242600452), (7, 1852914544), (8, 1621300226), (13, 997723216), (14, 926457272), (16, 810650113), (26, 498861608), (28, 463228636), (52, 249430804), (56, 231614318), (91, 142531888), (104, 124715402), (109, 118994512), (112, 115807159), (182, 71265944), (208, 62357701), (218, 59497256), (364, 35632972), (436, 29748628), (728, 17816486), (763, 16999216), (872, 14874314), (1417, 9153424), (1456, 8908243), (1526, 8499608), (1744, 7437157), (2834, 4576712), (3052, 4249804), (5668, 2288356), (6104, 2124902), (9919, 1307632), (11336, 1144178), (12208, 1062451), (19838, 653816), (22672, 572089), (39676, 326908), (79352, 163454), (81727, 158704)]