78945136

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{55439}}^1$

素因数の和:55536

約数の個数: 20

約数和(自身を含む): 154677600

約数和(自身を除く): 75732464

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 55439, 110878, 221756, 443512, 887024, 4934071, 9868142, 19736284, 39472568, 78945136]

約数ペア:

[(1, 78945136), (2, 39472568), (4, 19736284), (8, 9868142), (16, 4934071), (89, 887024), (178, 443512), (356, 221756), (712, 110878), (1424, 55439)]