278323859

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 317871216

約数和(自身を除く): 39547357

約数列:

[1, 11, 31, 113, 233, 341, 961, 1243, 2563, 3503, 7223, 10571, 26329, 38533, 79453, 108593, 223913, 289619, 816199, 1194523, 2463043, 8978189, 25302169, 278323859]

約数ペア:

[(1, 278323859), (11, 25302169), (31, 8978189), (113, 2463043), (233, 1194523), (341, 816199), (961, 289619), (1243, 223913), (2563, 108593), (3503, 79453), (7223, 38533), (10571, 26329)]