399770176

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1607}}^1$

素因数の和:1668

約数の個数: 84

約数和(自身を含む): 896916672

約数和(自身を除く): 497146496

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 169, 184, 208, 299, 338, 368, 416, 598, 676, 736, 832, 1196, 1352, 1472, 1607, 2392, 2704, 3214, 3887, 4784, 5408, 6428, 7774, 9568, 10816, 12856, 15548, 19136, 20891, 25712, 31096, 36961, 41782, 51424, 62192, 73922, 83564, 102848, 124384, 147844, 167128, 248768, 271583, 295688, 334256, 480493, 543166, 591376, 668512, 960986, 1086332, 1182752, 1337024, 1921972, 2172664, 2365504, 3843944, 4345328, 6246409, 7687888, 8690656, 12492818, 15375776, 17381312, 24985636, 30751552, 49971272, 99942544, 199885088, 399770176]

約数ペア:

[(1, 399770176), (2, 199885088), (4, 99942544), (8, 49971272), (13, 30751552), (16, 24985636), (23, 17381312), (26, 15375776), (32, 12492818), (46, 8690656), (52, 7687888), (64, 6246409), (92, 4345328), (104, 3843944), (169, 2365504), (184, 2172664), (208, 1921972), (299, 1337024), (338, 1182752), (368, 1086332), (416, 960986), (598, 668512), (676, 591376), (736, 543166), (832, 480493), (1196, 334256), (1352, 295688), (1472, 271583), (1607, 248768), (2392, 167128), (2704, 147844), (3214, 124384), (3887, 102848), (4784, 83564), (5408, 73922), (6428, 62192), (7774, 51424), (9568, 41782), (10816, 36961), (12856, 31096), (15548, 25712), (19136, 20891)]