389655838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71707}}^1$

素因数の和:71752

約数の個数: 32

約数和(自身を含む): 722816640

約数和(自身を除く): 333160802

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 5434, 71707, 143414, 788777, 932191, 1362433, 1577554, 1864382, 2724866, 10254101, 14986763, 17711629, 20508202, 29973526, 35423258, 194827919, 389655838]

約数ペア:

[(1, 389655838), (2, 194827919), (11, 35423258), (13, 29973526), (19, 20508202), (22, 17711629), (26, 14986763), (38, 10254101), (143, 2724866), (209, 1864382), (247, 1577554), (286, 1362433), (418, 932191), (494, 788777), (2717, 143414), (5434, 71707)]