1555276016

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1493}}^1$

素因数の和:1710

約数の個数: 80

約数和(自身を含む): 3521346048

約数和(自身を除く): 1966070032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 131, 142, 262, 284, 497, 524, 568, 917, 994, 1048, 1136, 1493, 1834, 1988, 2096, 2986, 3668, 3976, 5972, 7336, 7952, 9301, 10451, 11944, 14672, 18602, 20902, 23888, 37204, 41804, 65107, 74408, 83608, 106003, 130214, 148816, 167216, 195583, 212006, 260428, 391166, 424012, 520856, 742021, 782332, 848024, 1041712, 1369081, 1484042, 1564664, 1696048, 2738162, 2968084, 3129328, 5476324, 5936168, 10952648, 11872336, 13886393, 21905296, 27772786, 55545572, 97204751, 111091144, 194409502, 222182288, 388819004, 777638008, 1555276016]

約数ペア:

[(1, 1555276016), (2, 777638008), (4, 388819004), (7, 222182288), (8, 194409502), (14, 111091144), (16, 97204751), (28, 55545572), (56, 27772786), (71, 21905296), (112, 13886393), (131, 11872336), (142, 10952648), (262, 5936168), (284, 5476324), (497, 3129328), (524, 2968084), (568, 2738162), (917, 1696048), (994, 1564664), (1048, 1484042), (1136, 1369081), (1493, 1041712), (1834, 848024), (1988, 782332), (2096, 742021), (2986, 520856), (3668, 424012), (3976, 391166), (5972, 260428), (7336, 212006), (7952, 195583), (9301, 167216), (10451, 148816), (11944, 130214), (14672, 106003), (18602, 83608), (20902, 74408), (23888, 65107), (37204, 41804)]