71965216

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{503}}^1$

素因数の和:793

約数の個数: 48

約数和(自身を含む): 150885504

約数和(自身を除く): 78920288

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 263, 272, 503, 526, 544, 1006, 1052, 2012, 2104, 4024, 4208, 4471, 8048, 8416, 8551, 8942, 16096, 17102, 17884, 34204, 35768, 68408, 71536, 132289, 136816, 143072, 264578, 273632, 529156, 1058312, 2116624, 2248913, 4233248, 4497826, 8995652, 17991304, 35982608, 71965216]

約数ペア:

[(1, 71965216), (2, 35982608), (4, 17991304), (8, 8995652), (16, 4497826), (17, 4233248), (32, 2248913), (34, 2116624), (68, 1058312), (136, 529156), (263, 273632), (272, 264578), (503, 143072), (526, 136816), (544, 132289), (1006, 71536), (1052, 68408), (2012, 35768), (2104, 34204), (4024, 17884), (4208, 17102), (4471, 16096), (8048, 8942), (8416, 8551)]