291344456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{16193}}^1$

素因数の和:16385

約数の個数: 32

約数和(自身を含む): 591728760

約数和(自身を除く): 300384304

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 173, 346, 692, 1384, 2249, 4498, 8996, 16193, 17992, 32386, 64772, 129544, 210509, 421018, 842036, 1684072, 2801389, 5602778, 11205556, 22411112, 36418057, 72836114, 145672228, 291344456]

約数ペア:

[(1, 291344456), (2, 145672228), (4, 72836114), (8, 36418057), (13, 22411112), (26, 11205556), (52, 5602778), (104, 2801389), (173, 1684072), (346, 842036), (692, 421018), (1384, 210509), (2249, 129544), (4498, 64772), (8996, 32386), (16193, 17992)]