261507732

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 653291520

約数和(自身を除く): 391783788

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 61, 87, 97, 116, 122, 127, 174, 183, 194, 244, 254, 291, 348, 366, 381, 388, 508, 582, 732, 762, 1164, 1524, 1769, 2813, 3538, 3683, 5307, 5626, 5917, 7076, 7366, 7747, 8439, 10614, 11049, 11252, 11834, 12319, 14732, 15494, 16878, 17751, 21228, 22098, 23241, 23668, 24638, 30988, 33756, 35502, 36957, 44196, 46482, 49276, 71004, 73914, 92964, 147828, 171593, 224663, 343186, 357251, 449326, 514779, 673989, 686372, 714502, 751459, 898652, 1029558, 1071753, 1347978, 1429004, 1502918, 2059116, 2143506, 2254377, 2695956, 3005836, 4287012, 4508754, 9017508, 21792311, 43584622, 65376933, 87169244, 130753866, 261507732]

約数ペア:

[(1, 261507732), (2, 130753866), (3, 87169244), (4, 65376933), (6, 43584622), (12, 21792311), (29, 9017508), (58, 4508754), (61, 4287012), (87, 3005836), (97, 2695956), (116, 2254377), (122, 2143506), (127, 2059116), (174, 1502918), (183, 1429004), (194, 1347978), (244, 1071753), (254, 1029558), (291, 898652), (348, 751459), (366, 714502), (381, 686372), (388, 673989), (508, 514779), (582, 449326), (732, 357251), (762, 343186), (1164, 224663), (1524, 171593), (1769, 147828), (2813, 92964), (3538, 73914), (3683, 71004), (5307, 49276), (5626, 46482), (5917, 44196), (7076, 36957), (7366, 35502), (7747, 33756), (8439, 30988), (10614, 24638), (11049, 23668), (11252, 23241), (11834, 22098), (12319, 21228), (14732, 17751), (15494, 16878)]