261353113

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{809}}^1$

素因数の和:1189

約数の個数: 24

約数和(自身を含む): 321343200

約数和(自身を除く): 59990087

約数列:

[1, 7, 19, 49, 133, 347, 809, 931, 2429, 5663, 6593, 15371, 17003, 39641, 46151, 107597, 280723, 323057, 753179, 1965061, 5333737, 13755427, 37336159, 261353113]

約数ペア:

[(1, 261353113), (7, 37336159), (19, 13755427), (49, 5333737), (133, 1965061), (347, 753179), (809, 323057), (931, 280723), (2429, 107597), (5663, 46151), (6593, 39641), (15371, 17003)]