261002144

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:638

約数の個数: 96

約数和(自身を含む): 587736576

約数和(自身を除く): 326734432

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 37, 52, 62, 74, 104, 124, 148, 208, 248, 296, 403, 416, 481, 496, 547, 592, 806, 962, 992, 1094, 1147, 1184, 1612, 1924, 2188, 2294, 3224, 3848, 4376, 4588, 6448, 7111, 7696, 8752, 9176, 12896, 14222, 14911, 15392, 16957, 17504, 18352, 20239, 28444, 29822, 33914, 36704, 40478, 56888, 59644, 67828, 80956, 113776, 119288, 135656, 161912, 220441, 227552, 238576, 263107, 271312, 323824, 440882, 477152, 526214, 542624, 627409, 647648, 881764, 1052428, 1254818, 1763528, 2104856, 2509636, 3527056, 4209712, 5019272, 7054112, 8156317, 8419424, 10038544, 16312634, 20077088, 32625268, 65250536, 130501072, 261002144]

約数ペア:

[(1, 261002144), (2, 130501072), (4, 65250536), (8, 32625268), (13, 20077088), (16, 16312634), (26, 10038544), (31, 8419424), (32, 8156317), (37, 7054112), (52, 5019272), (62, 4209712), (74, 3527056), (104, 2509636), (124, 2104856), (148, 1763528), (208, 1254818), (248, 1052428), (296, 881764), (403, 647648), (416, 627409), (481, 542624), (496, 526214), (547, 477152), (592, 440882), (806, 323824), (962, 271312), (992, 263107), (1094, 238576), (1147, 227552), (1184, 220441), (1612, 161912), (1924, 135656), (2188, 119288), (2294, 113776), (3224, 80956), (3848, 67828), (4376, 59644), (4588, 56888), (6448, 40478), (7111, 36704), (7696, 33914), (8752, 29822), (9176, 28444), (12896, 20239), (14222, 18352), (14911, 17504), (15392, 16957)]