340648412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{47129}}^1$

素因数の和:47285

約数の個数: 24

約数和(自身を含む): 646623600

約数和(自身を除く): 305975188

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 47129, 94258, 188516, 612677, 1225354, 2450708, 6550931, 13101862, 26203724, 85162103, 170324206, 340648412]

約数ペア:

[(1, 340648412), (2, 170324206), (4, 85162103), (13, 26203724), (26, 13101862), (52, 6550931), (139, 2450708), (278, 1225354), (556, 612677), (1807, 188516), (3614, 94258), (7228, 47129)]