25189991

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{977}}^1$

素因数の和:1078

約数の個数: 16

約数和(自身を含む): 28166400

約数和(自身を除く): 2976409

約数列:

[1, 19, 23, 59, 437, 977, 1121, 1357, 18563, 22471, 25783, 57643, 426949, 1095217, 1325789, 25189991]

約数ペア:

[(1, 25189991), (19, 1325789), (23, 1095217), (59, 426949), (437, 57643), (977, 25783), (1121, 22471), (1357, 18563)]