71291936

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 144897984

約数和(自身を除く): 73606048

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 197, 263, 344, 394, 526, 688, 788, 1052, 1376, 1576, 2104, 3152, 4208, 6304, 8416, 8471, 11309, 16942, 22618, 33884, 45236, 51811, 67768, 90472, 103622, 135536, 180944, 207244, 271072, 361888, 414488, 828976, 1657952, 2227873, 4455746, 8911492, 17822984, 35645968, 71291936]

約数ペア:

[(1, 71291936), (2, 35645968), (4, 17822984), (8, 8911492), (16, 4455746), (32, 2227873), (43, 1657952), (86, 828976), (172, 414488), (197, 361888), (263, 271072), (344, 207244), (394, 180944), (526, 135536), (688, 103622), (788, 90472), (1052, 67768), (1376, 51811), (1576, 45236), (2104, 33884), (3152, 22618), (4208, 16942), (6304, 11309), (8416, 8471)]