25255769

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 33807360

約数和(自身を除く): 8551591

約数列:

[1, 7, 11, 19, 61, 77, 133, 209, 283, 427, 671, 1159, 1463, 1981, 3113, 4697, 5377, 8113, 12749, 17263, 21791, 37639, 59147, 89243, 120841, 189893, 327997, 414029, 1329251, 2295979, 3607967, 25255769]

約数ペア:

[(1, 25255769), (7, 3607967), (11, 2295979), (19, 1329251), (61, 414029), (77, 327997), (133, 189893), (209, 120841), (283, 89243), (427, 59147), (671, 37639), (1159, 21791), (1463, 17263), (1981, 12749), (3113, 8113), (4697, 5377)]