261870431

素因数分解:

${\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1\times {\mathrm{491}}^1$

素因数の和:874

約数の個数: 16

約数和(自身を含む): 281089440

約数和(自身を除く): 19219009

約数列:

[1, 17, 137, 229, 491, 2329, 3893, 8347, 31373, 67267, 112439, 533341, 1143539, 1911463, 15404143, 261870431]

約数ペア:

[(1, 261870431), (17, 15404143), (137, 1911463), (229, 1143539), (491, 533341), (2329, 112439), (3893, 67267), (8347, 31373)]