28641964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{8221}}^1$

素因数の和:8305

約数の個数: 24

約数和(自身を含む): 54791408

約数和(自身を除く): 26149444

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 8221, 16442, 32884, 106873, 213746, 427492, 550807, 1101614, 2203228, 7160491, 14320982, 28641964]

約数ペア:

[(1, 28641964), (2, 14320982), (4, 7160491), (13, 2203228), (26, 1101614), (52, 550807), (67, 427492), (134, 213746), (268, 106873), (871, 32884), (1742, 16442), (3484, 8221)]