1279890088

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{467}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 2535287040

約数和(自身を除く): 1255396952

約数列:

[1, 2, 4, 8, 37, 47, 74, 94, 148, 188, 197, 296, 376, 394, 467, 788, 934, 1576, 1739, 1868, 3478, 3736, 6956, 7289, 9259, 13912, 14578, 17279, 18518, 21949, 29156, 34558, 37036, 43898, 58312, 69116, 74072, 87796, 91999, 138232, 175592, 183998, 342583, 367996, 685166, 735992, 812113, 1370332, 1624226, 2740664, 3248452, 3403963, 4323953, 6496904, 6807926, 8647906, 13615852, 17295812, 27231704, 34591624, 159986261, 319972522, 639945044, 1279890088]

約数ペア:

[(1, 1279890088), (2, 639945044), (4, 319972522), (8, 159986261), (37, 34591624), (47, 27231704), (74, 17295812), (94, 13615852), (148, 8647906), (188, 6807926), (197, 6496904), (296, 4323953), (376, 3403963), (394, 3248452), (467, 2740664), (788, 1624226), (934, 1370332), (1576, 812113), (1739, 735992), (1868, 685166), (3478, 367996), (3736, 342583), (6956, 183998), (7289, 175592), (9259, 138232), (13912, 91999), (14578, 87796), (17279, 74072), (18518, 69116), (21949, 58312), (29156, 43898), (34558, 37036)]