128512604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{47881}}^1$

素因数の和:47957

約数の個数: 24

約数和(自身を含む): 249369456

約数和(自身を除く): 120856852

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 47881, 95762, 191524, 526691, 1053382, 2106764, 2920741, 5841482, 11682964, 32128151, 64256302, 128512604]

約数ペア:

[(1, 128512604), (2, 64256302), (4, 32128151), (11, 11682964), (22, 5841482), (44, 2920741), (61, 2106764), (122, 1053382), (244, 526691), (671, 191524), (1342, 95762), (2684, 47881)]