388231376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{10789}}^1$

素因数の和:10983

約数の個数: 40

約数和(自身を含む): 814817640

約数和(自身を除く): 426586264

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 173, 208, 346, 692, 1384, 2249, 2768, 4498, 8996, 10789, 17992, 21578, 35984, 43156, 86312, 140257, 172624, 280514, 561028, 1122056, 1866497, 2244112, 3732994, 7465988, 14931976, 24264461, 29863952, 48528922, 97057844, 194115688, 388231376]

約数ペア:

[(1, 388231376), (2, 194115688), (4, 97057844), (8, 48528922), (13, 29863952), (16, 24264461), (26, 14931976), (52, 7465988), (104, 3732994), (173, 2244112), (208, 1866497), (346, 1122056), (692, 561028), (1384, 280514), (2249, 172624), (2768, 140257), (4498, 86312), (8996, 43156), (10789, 35984), (17992, 21578)]