264289259

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 320604480

約数和(自身を除く): 56315221

約数列:

[1, 13, 17, 19, 113, 221, 247, 323, 557, 1469, 1921, 2147, 4199, 7241, 9469, 10583, 24973, 27911, 36499, 62941, 123097, 137579, 179911, 474487, 818233, 1069997, 1195879, 2338843, 13909961, 15546427, 20329943, 264289259]

約数ペア:

[(1, 264289259), (13, 20329943), (17, 15546427), (19, 13909961), (113, 2338843), (221, 1195879), (247, 1069997), (323, 818233), (557, 474487), (1469, 179911), (1921, 137579), (2147, 123097), (4199, 62941), (7241, 36499), (9469, 27911), (10583, 24973)]