87977778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{3169}}^1$

素因数の和:3842

約数の個数: 32

約数和(自身を含む): 201459840

約数和(自身を除く): 113482062

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 661, 1322, 1983, 3169, 3966, 4627, 6338, 9254, 9507, 13881, 19014, 22183, 27762, 44366, 66549, 133098, 2094709, 4189418, 6284127, 12568254, 14662963, 29325926, 43988889, 87977778]

約数ペア:

[(1, 87977778), (2, 43988889), (3, 29325926), (6, 14662963), (7, 12568254), (14, 6284127), (21, 4189418), (42, 2094709), (661, 133098), (1322, 66549), (1983, 44366), (3169, 27762), (3966, 22183), (4627, 19014), (6338, 13881), (9254, 9507)]