25781116

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{2039}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 47124000

約数和(自身を除く): 21342884

約数列:

[1, 2, 4, 29, 58, 109, 116, 218, 436, 2039, 3161, 4078, 6322, 8156, 12644, 59131, 118262, 222251, 236524, 444502, 889004, 6445279, 12890558, 25781116]

約数ペア:

[(1, 25781116), (2, 12890558), (4, 6445279), (29, 889004), (58, 444502), (109, 236524), (116, 222251), (218, 118262), (436, 59131), (2039, 12644), (3161, 8156), (4078, 6322)]