161569304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{21881}}^1$

素因数の和:21971

約数の個数: 32

約数和(自身を含む): 330855840

約数和(自身を除く): 169286536

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 3692, 7384, 21881, 43762, 87524, 175048, 284453, 568906, 1137812, 1553551, 2275624, 3107102, 6214204, 12428408, 20196163, 40392326, 80784652, 161569304]

約数ペア:

[(1, 161569304), (2, 80784652), (4, 40392326), (8, 20196163), (13, 12428408), (26, 6214204), (52, 3107102), (71, 2275624), (104, 1553551), (142, 1137812), (284, 568906), (568, 284453), (923, 175048), (1846, 87524), (3692, 43762), (7384, 21881)]