25672826

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{1291}}^1$

素因数の和:1517

約数の個数: 16

約数和(自身を含む): 39411168

約数和(自身を除く): 13738342

約数列:

[1, 2, 61, 122, 163, 326, 1291, 2582, 9943, 19886, 78751, 157502, 210433, 420866, 12836413, 25672826]

約数ペア:

[(1, 25672826), (2, 12836413), (61, 420866), (122, 210433), (163, 157502), (326, 78751), (1291, 19886), (2582, 9943)]