1228665721

素因数分解:

${\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1\times {\mathrm{773}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 1271490048

約数和(自身を除く): 42824327

約数列:

[1, 61, 71, 367, 773, 4331, 22387, 26057, 47153, 54883, 283691, 1589477, 3347863, 17305151, 20142061, 1228665721]

約数ペア:

[(1, 1228665721), (61, 20142061), (71, 17305151), (367, 3347863), (773, 1589477), (4331, 283691), (22387, 54883), (26057, 47153)]