25894256

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:729

約数の個数: 40

約数和(自身を含む): 52263024

約数和(自身を除く): 26368768

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 488, 617, 688, 976, 1234, 2468, 2623, 4936, 5246, 9872, 10492, 20984, 26531, 37637, 41968, 53062, 75274, 106124, 150548, 212248, 301096, 424496, 602192, 1618391, 3236782, 6473564, 12947128, 25894256]

約数ペア:

[(1, 25894256), (2, 12947128), (4, 6473564), (8, 3236782), (16, 1618391), (43, 602192), (61, 424496), (86, 301096), (122, 212248), (172, 150548), (244, 106124), (344, 75274), (488, 53062), (617, 41968), (688, 37637), (976, 26531), (1234, 20984), (2468, 10492), (2623, 9872), (4936, 5246)]