211370588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21737}}^1$

素因数の和:21782

約数の個数: 48

約数和(自身を含む): 460149984

約数和(自身を除く): 248779396

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2431, 4862, 9724, 21737, 43474, 86948, 239107, 282581, 369529, 478214, 565162, 739058, 956428, 1130324, 1478116, 3108391, 4064819, 4803877, 6216782, 8129638, 9607754, 12433564, 16259276, 19215508, 52842647, 105685294, 211370588]

約数ペア:

[(1, 211370588), (2, 105685294), (4, 52842647), (11, 19215508), (13, 16259276), (17, 12433564), (22, 9607754), (26, 8129638), (34, 6216782), (44, 4803877), (52, 4064819), (68, 3108391), (143, 1478116), (187, 1130324), (221, 956428), (286, 739058), (374, 565162), (442, 478214), (572, 369529), (748, 282581), (884, 239107), (2431, 86948), (4862, 43474), (9724, 21737)]