25140479

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 32060448

約数和(自身を除く): 6919969

約数列:

[1, 7, 13, 49, 61, 91, 427, 637, 647, 793, 2989, 4529, 5551, 8411, 31703, 38857, 39467, 58877, 276269, 412139, 513071, 1933883, 3591497, 25140479]

約数ペア:

[(1, 25140479), (7, 3591497), (13, 1933883), (49, 513071), (61, 412139), (91, 276269), (427, 58877), (637, 39467), (647, 38857), (793, 31703), (2989, 8411), (4529, 5551)]