81728608

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{881}}^1$

素因数の和:1127

約数の個数: 48

約数和(自身を含む): 174254976

約数和(自身を除く): 92526368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 223, 416, 446, 881, 892, 1762, 1784, 2899, 3524, 3568, 5798, 7048, 7136, 11453, 11596, 14096, 22906, 23192, 28192, 45812, 46384, 91624, 92768, 183248, 196463, 366496, 392926, 785852, 1571704, 2554019, 3143408, 5108038, 6286816, 10216076, 20432152, 40864304, 81728608]

約数ペア:

[(1, 81728608), (2, 40864304), (4, 20432152), (8, 10216076), (13, 6286816), (16, 5108038), (26, 3143408), (32, 2554019), (52, 1571704), (104, 785852), (208, 392926), (223, 366496), (416, 196463), (446, 183248), (881, 92768), (892, 91624), (1762, 46384), (1784, 45812), (2899, 28192), (3524, 23192), (3568, 22906), (5798, 14096), (7048, 11596), (7136, 11453)]