289793399

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{5471}}^1$

素因数の和:5555

約数の個数: 24

約数和(自身を含む): 359313408

約数和(自身を除く): 69520009

約数列:

[1, 7, 23, 47, 49, 161, 329, 1081, 1127, 2303, 5471, 7567, 38297, 52969, 125833, 257137, 268079, 880831, 1799959, 5914151, 6165817, 12599713, 41399057, 289793399]

約数ペア:

[(1, 289793399), (7, 41399057), (23, 12599713), (47, 6165817), (49, 5914151), (161, 1799959), (329, 880831), (1081, 268079), (1127, 257137), (2303, 125833), (5471, 52969), (7567, 38297)]