219856

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:179

約数の個数: 40

約数和(自身を含む): 527744

約数和(自身を除く): 307888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 151, 182, 208, 302, 364, 604, 728, 1057, 1208, 1456, 1963, 2114, 2416, 3926, 4228, 7852, 8456, 13741, 15704, 16912, 27482, 31408, 54964, 109928, 219856]

約数ペア:

[(1, 219856), (2, 109928), (4, 54964), (7, 31408), (8, 27482), (13, 16912), (14, 15704), (16, 13741), (26, 8456), (28, 7852), (52, 4228), (56, 3926), (91, 2416), (104, 2114), (112, 1963), (151, 1456), (182, 1208), (208, 1057), (302, 728), (364, 604)]