221642408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{3511}}^1$

素因数の和:4137

約数の個数: 32

約数和(自身を含む): 448412160

約数和(自身を除く): 226769752

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 607, 1214, 2428, 3511, 4856, 7022, 7891, 14044, 15782, 28088, 31564, 45643, 63128, 91286, 182572, 365144, 2131177, 4262354, 8524708, 17049416, 27705301, 55410602, 110821204, 221642408]

約数ペア:

[(1, 221642408), (2, 110821204), (4, 55410602), (8, 27705301), (13, 17049416), (26, 8524708), (52, 4262354), (104, 2131177), (607, 365144), (1214, 182572), (2428, 91286), (3511, 63128), (4856, 45643), (7022, 31564), (7891, 28088), (14044, 15782)]