81357953690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{908317}}^1$

素因数の和:908403

約数の個数: 48

約数和(自身を含む): 161567972568

約数和(自身を除く): 80210018878

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 169, 265, 338, 530, 689, 845, 1378, 1690, 3445, 6890, 8957, 17914, 44785, 89570, 908317, 1816634, 4541585, 9083170, 11808121, 23616242, 48140801, 59040605, 96281602, 118081210, 153505573, 240704005, 307011146, 481408010, 625830413, 767527865, 1251660826, 1535055730, 3129152065, 6258304130, 8135795369, 16271590738, 40678976845, 81357953690]

約数ペア:

[(1, 81357953690), (2, 40678976845), (5, 16271590738), (10, 8135795369), (13, 6258304130), (26, 3129152065), (53, 1535055730), (65, 1251660826), (106, 767527865), (130, 625830413), (169, 481408010), (265, 307011146), (338, 240704005), (530, 153505573), (689, 118081210), (845, 96281602), (1378, 59040605), (1690, 48140801), (3445, 23616242), (6890, 11808121), (8957, 9083170), (17914, 4541585), (44785, 1816634), (89570, 908317)]