25871638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 43487136

約数和(自身を除く): 17615498

約数列:

[1, 2, 13, 26, 43, 73, 86, 146, 317, 559, 634, 949, 1118, 1898, 3139, 4121, 6278, 8242, 13631, 23141, 27262, 40807, 46282, 81614, 177203, 300833, 354406, 601666, 995063, 1990126, 12935819, 25871638]

約数ペア:

[(1, 25871638), (2, 12935819), (13, 1990126), (26, 995063), (43, 601666), (73, 354406), (86, 300833), (146, 177203), (317, 81614), (559, 46282), (634, 40807), (949, 27262), (1118, 23141), (1898, 13631), (3139, 8242), (4121, 6278)]