2490046

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 24

約数和(自身を含む): 4150440

約数和(自身を除く): 1660394

約数列:

[1, 2, 13, 26, 53, 106, 139, 169, 278, 338, 689, 1378, 1807, 3614, 7367, 8957, 14734, 17914, 23491, 46982, 95771, 191542, 1245023, 2490046]

約数ペア:

[(1, 2490046), (2, 1245023), (13, 191542), (26, 95771), (53, 46982), (106, 23491), (139, 17914), (169, 14734), (278, 8957), (338, 7367), (689, 3614), (1378, 1807)]