1641328

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{607}}^1$

素因数の和:641

約数の個数: 30

約数和(自身を含む): 3449184

約数和(自身を除く): 1807856

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 607, 676, 1214, 1352, 2428, 2704, 4856, 7891, 9712, 15782, 31564, 63128, 102583, 126256, 205166, 410332, 820664, 1641328]

約数ペア:

[(1, 1641328), (2, 820664), (4, 410332), (8, 205166), (13, 126256), (16, 102583), (26, 63128), (52, 31564), (104, 15782), (169, 9712), (208, 7891), (338, 4856), (607, 2704), (676, 2428), (1214, 1352)]