28437661

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 36230400

約数和(自身を除く): 7792739

約数列:

[1, 7, 19, 29, 73, 101, 133, 203, 511, 551, 707, 1387, 1919, 2117, 2929, 3857, 7373, 9709, 13433, 14819, 20503, 40223, 51611, 55651, 140087, 213817, 281561, 389557, 980609, 1496719, 4062523, 28437661]

約数ペア:

[(1, 28437661), (7, 4062523), (19, 1496719), (29, 980609), (73, 389557), (101, 281561), (133, 213817), (203, 140087), (511, 55651), (551, 51611), (707, 40223), (1387, 20503), (1919, 14819), (2117, 13433), (2929, 9709), (3857, 7373)]