127760464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{1091}}^1$

素因数の和:1675

約数の個数: 40

約数和(自身を含む): 267295392

約数和(自身を除く): 139534928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 563, 1091, 1126, 2182, 2252, 4364, 4504, 7319, 8728, 9008, 14183, 14638, 17456, 28366, 29276, 56732, 58552, 113464, 117104, 226928, 614233, 1228466, 2456932, 4913864, 7985029, 9827728, 15970058, 31940116, 63880232, 127760464]

約数ペア:

[(1, 127760464), (2, 63880232), (4, 31940116), (8, 15970058), (13, 9827728), (16, 7985029), (26, 4913864), (52, 2456932), (104, 1228466), (208, 614233), (563, 226928), (1091, 117104), (1126, 113464), (2182, 58552), (2252, 56732), (4364, 29276), (4504, 28366), (7319, 17456), (8728, 14638), (9008, 14183)]