2690428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1717

約数の個数: 24

約数和(自身を含む): 5237120

約数和(自身を除く): 2546692

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 1669, 3338, 6676, 21697, 43394, 51739, 86788, 103478, 206956, 672607, 1345214, 2690428]

約数ペア:

[(1, 2690428), (2, 1345214), (4, 672607), (13, 206956), (26, 103478), (31, 86788), (52, 51739), (62, 43394), (124, 21697), (403, 6676), (806, 3338), (1612, 1669)]