997238086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{221707}}^1$

素因数の和:221895

約数の個数: 16

約数和(自身を含む): 1620242064

約数和(自身を除く): 623003978

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4498, 221707, 443414, 2882191, 5764382, 38355311, 76710622, 498619043, 997238086]

約数ペア:

[(1, 997238086), (2, 498619043), (13, 76710622), (26, 38355311), (173, 5764382), (346, 2882191), (2249, 443414), (4498, 221707)]