205209212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127301}}^1$

素因数の和:127349

約数の個数: 24

約数和(自身を含む): 399219072

約数和(自身を除く): 194009860

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 127301, 254602, 509204, 1654913, 3309826, 3946331, 6619652, 7892662, 15785324, 51302303, 102604606, 205209212]

約数ペア:

[(1, 205209212), (2, 102604606), (4, 51302303), (13, 15785324), (26, 7892662), (31, 6619652), (52, 3946331), (62, 3309826), (124, 1654913), (403, 509204), (806, 254602), (1612, 127301)]