205665616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{1567}}^1$

素因数の和:2219

約数の個数: 40

約数和(自身を含む): 430083584

約数和(自身を除く): 224417968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 631, 1262, 1567, 2524, 3134, 5048, 6268, 8203, 10096, 12536, 16406, 20371, 25072, 32812, 40742, 65624, 81484, 131248, 162968, 325936, 988777, 1977554, 3955108, 7910216, 12854101, 15820432, 25708202, 51416404, 102832808, 205665616]

約数ペア:

[(1, 205665616), (2, 102832808), (4, 51416404), (8, 25708202), (13, 15820432), (16, 12854101), (26, 7910216), (52, 3955108), (104, 1977554), (208, 988777), (631, 325936), (1262, 162968), (1567, 131248), (2524, 81484), (3134, 65624), (5048, 40742), (6268, 32812), (8203, 25072), (10096, 20371), (12536, 16406)]