81291264

素因数分解:

$2^{11}\times 3^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 220540320

約数和(自身を除く): 139249056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 101, 128, 131, 192, 202, 256, 262, 303, 384, 393, 404, 512, 524, 606, 768, 786, 808, 1024, 1048, 1212, 1536, 1572, 1616, 2048, 2096, 2424, 3072, 3144, 3232, 4192, 4848, 6144, 6288, 6464, 8384, 9696, 12576, 12928, 13231, 16768, 19392, 25152, 25856, 26462, 33536, 38784, 39693, 50304, 51712, 52924, 67072, 77568, 79386, 100608, 103424, 105848, 134144, 155136, 158772, 201216, 206848, 211696, 268288, 310272, 317544, 402432, 423392, 620544, 635088, 804864, 846784, 1270176, 1693568, 2540352, 3387136, 5080704, 6774272, 10161408, 13548544, 20322816, 27097088, 40645632, 81291264]

約数ペア:

[(1, 81291264), (2, 40645632), (3, 27097088), (4, 20322816), (6, 13548544), (8, 10161408), (12, 6774272), (16, 5080704), (24, 3387136), (32, 2540352), (48, 1693568), (64, 1270176), (96, 846784), (101, 804864), (128, 635088), (131, 620544), (192, 423392), (202, 402432), (256, 317544), (262, 310272), (303, 268288), (384, 211696), (393, 206848), (404, 201216), (512, 158772), (524, 155136), (606, 134144), (768, 105848), (786, 103424), (808, 100608), (1024, 79386), (1048, 77568), (1212, 67072), (1536, 52924), (1572, 51712), (1616, 50304), (2048, 39693), (2096, 38784), (2424, 33536), (3072, 26462), (3144, 25856), (3232, 25152), (4192, 19392), (4848, 16768), (6144, 13231), (6288, 12928), (6464, 12576), (8384, 9696)]