28778860628

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{269}}^1\times {\mathrm{2791}}^1$

素因数の和:3145

約数の個数: 72

約数和(自身を含む): 59396561280

約数和(自身を除く): 30617700652

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 269, 518, 538, 1036, 1076, 1369, 1883, 2738, 2791, 3766, 5476, 5582, 7532, 9583, 9953, 11164, 19166, 19537, 19906, 38332, 39074, 39812, 69671, 78148, 103267, 139342, 206534, 278684, 368261, 413068, 722869, 736522, 750779, 1445738, 1473044, 1501558, 2577827, 2891476, 3003116, 3820879, 5155654, 5255453, 7641758, 10311308, 10510906, 15283516, 21021812, 26746153, 27778823, 53492306, 55557646, 106984612, 111115292, 194451761, 388903522, 777807044, 1027816451, 2055632902, 4111265804, 7194715157, 14389430314, 28778860628]

約数ペア:

[(1, 28778860628), (2, 14389430314), (4, 7194715157), (7, 4111265804), (14, 2055632902), (28, 1027816451), (37, 777807044), (74, 388903522), (148, 194451761), (259, 111115292), (269, 106984612), (518, 55557646), (538, 53492306), (1036, 27778823), (1076, 26746153), (1369, 21021812), (1883, 15283516), (2738, 10510906), (2791, 10311308), (3766, 7641758), (5476, 5255453), (5582, 5155654), (7532, 3820879), (9583, 3003116), (9953, 2891476), (11164, 2577827), (19166, 1501558), (19537, 1473044), (19906, 1445738), (38332, 750779), (39074, 736522), (39812, 722869), (69671, 413068), (78148, 368261), (103267, 278684), (139342, 206534)]