81670784

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{49081}}^1$

素因数の和:49108

約数の個数: 32

約数和(自身を含む): 175222740

約数和(自身を除く): 93551956

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 49081, 98162, 196324, 392648, 638053, 785296, 1276106, 1570592, 2552212, 3141184, 5104424, 6282368, 10208848, 20417696, 40835392, 81670784]

約数ペア:

[(1, 81670784), (2, 40835392), (4, 20417696), (8, 10208848), (13, 6282368), (16, 5104424), (26, 3141184), (32, 2552212), (52, 1570592), (64, 1276106), (104, 785296), (128, 638053), (208, 392648), (416, 196324), (832, 98162), (1664, 49081)]