71346128

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20549}}^1$

素因数の和:20595

約数の個数: 40

約数和(自身を含む): 163084800

約数和(自身を除く): 91738672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 20549, 41098, 82196, 143843, 164392, 287686, 328784, 575372, 637019, 1150744, 1274038, 2301488, 2548076, 4459133, 5096152, 8918266, 10192304, 17836532, 35673064, 71346128]

約数ペア:

[(1, 71346128), (2, 35673064), (4, 17836532), (7, 10192304), (8, 8918266), (14, 5096152), (16, 4459133), (28, 2548076), (31, 2301488), (56, 1274038), (62, 1150744), (112, 637019), (124, 575372), (217, 328784), (248, 287686), (434, 164392), (496, 143843), (868, 82196), (1736, 41098), (3472, 20549)]