2687948

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 4959360

約数和(自身を除く): 2271412

約数列:

[1, 2, 4, 31, 53, 62, 106, 124, 212, 409, 818, 1636, 1643, 3286, 6572, 12679, 21677, 25358, 43354, 50716, 86708, 671987, 1343974, 2687948]

約数ペア:

[(1, 2687948), (2, 1343974), (4, 671987), (31, 86708), (53, 50716), (62, 43354), (106, 25358), (124, 21677), (212, 12679), (409, 6572), (818, 3286), (1636, 1643)]