1291345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 1726272

約数和(自身を除く): 434927

約数列:

[1, 5, 11, 53, 55, 265, 443, 583, 2215, 2915, 4873, 23479, 24365, 117395, 258269, 1291345]

約数ペア:

[(1, 1291345), (5, 258269), (11, 117395), (53, 24365), (55, 23479), (265, 4873), (443, 2915), (583, 2215)]