66428128

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{159683}}^1$

素因数の和:159706

約数の個数: 24

約数和(自身を含む): 140841288

約数和(自身を除く): 74413160

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 159683, 319366, 638732, 1277464, 2075879, 2554928, 4151758, 5109856, 8303516, 16607032, 33214064, 66428128]

約数ペア:

[(1, 66428128), (2, 33214064), (4, 16607032), (8, 8303516), (13, 5109856), (16, 4151758), (26, 2554928), (32, 2075879), (52, 1277464), (104, 638732), (208, 319366), (416, 159683)]