25515119

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 32186880

約数和(自身を除く): 6671761

約数列:

[1, 7, 19, 23, 133, 161, 361, 437, 439, 2527, 3059, 3073, 8303, 8341, 10097, 58121, 58387, 70679, 158479, 191843, 1109353, 1342901, 3645017, 25515119]

約数ペア:

[(1, 25515119), (7, 3645017), (19, 1342901), (23, 1109353), (133, 191843), (161, 158479), (361, 70679), (437, 58387), (439, 58121), (2527, 10097), (3059, 8341), (3073, 8303)]