81538432

素因数分解:

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

素因数の和:20594

約数の個数: 32

約数和(自身を含む): 167688000

約数和(自身を除く): 86149568

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 20549, 41098, 82196, 164392, 328784, 637019, 657568, 1274038, 1315136, 2548076, 2630272, 5096152, 10192304, 20384608, 40769216, 81538432]

約数ペア:

[(1, 81538432), (2, 40769216), (4, 20384608), (8, 10192304), (16, 5096152), (31, 2630272), (32, 2548076), (62, 1315136), (64, 1274038), (124, 657568), (128, 637019), (248, 328784), (496, 164392), (992, 82196), (1984, 41098), (3968, 20549)]