261657084

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 679182336

約数和(自身を除く): 417525252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 127, 141, 156, 188, 254, 281, 282, 381, 508, 562, 564, 611, 762, 843, 1124, 1222, 1524, 1651, 1686, 1833, 2444, 3302, 3372, 3653, 3666, 4953, 5969, 6604, 7306, 7332, 9906, 10959, 11938, 13207, 14612, 17907, 19812, 21918, 23876, 26414, 35687, 35814, 39621, 43836, 52828, 71374, 71628, 77597, 79242, 107061, 142748, 155194, 158484, 171691, 214122, 232791, 310388, 343382, 428244, 463931, 465582, 515073, 686764, 927862, 931164, 1030146, 1391793, 1677289, 1855724, 2060292, 2783586, 3354578, 5031867, 5567172, 6709156, 10063734, 20127468, 21804757, 43609514, 65414271, 87219028, 130828542, 261657084]

約数ペア:

[(1, 261657084), (2, 130828542), (3, 87219028), (4, 65414271), (6, 43609514), (12, 21804757), (13, 20127468), (26, 10063734), (39, 6709156), (47, 5567172), (52, 5031867), (78, 3354578), (94, 2783586), (127, 2060292), (141, 1855724), (156, 1677289), (188, 1391793), (254, 1030146), (281, 931164), (282, 927862), (381, 686764), (508, 515073), (562, 465582), (564, 463931), (611, 428244), (762, 343382), (843, 310388), (1124, 232791), (1222, 214122), (1524, 171691), (1651, 158484), (1686, 155194), (1833, 142748), (2444, 107061), (3302, 79242), (3372, 77597), (3653, 71628), (3666, 71374), (4953, 52828), (5969, 43836), (6604, 39621), (7306, 35814), (7332, 35687), (9906, 26414), (10959, 23876), (11938, 21918), (13207, 19812), (14612, 17907)]