1287649

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:192

約数の個数: 16

約数和(自身を含む): 1517760

約数和(自身を除く): 230111

約数列:

[1, 11, 19, 61, 101, 209, 671, 1111, 1159, 1919, 6161, 12749, 21109, 67771, 117059, 1287649]

約数ペア:

[(1, 1287649), (11, 117059), (19, 67771), (61, 21109), (101, 12749), (209, 6161), (671, 1919), (1111, 1159)]