205120198913

素因数分解:

$7^1\times {\mathrm{191}}^1\times {\mathrm{271}}^2\times {\mathrm{2089}}^1$

素因数の和:2829

約数の個数: 24

約数和(自身を含む): 236636421120

約数和(自身を除く): 31516222207

約数列:

[1, 7, 191, 271, 1337, 1897, 2089, 14623, 51761, 73441, 362327, 398999, 514087, 566119, 2792993, 3962833, 14027231, 98190617, 108128729, 153418249, 756901103, 1073927743, 29302885559, 205120198913]

約数ペア:

[(1, 205120198913), (7, 29302885559), (191, 1073927743), (271, 756901103), (1337, 153418249), (1897, 108128729), (2089, 98190617), (14623, 14027231), (51761, 3962833), (73441, 2792993), (362327, 566119), (398999, 514087)]