207977764

素因数分解:

$2^2\times {\mathrm{257}}^1\times {\mathrm{307}}^1\times {\mathrm{659}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 367123680

約数和(自身を除く): 159145916

約数列:

[1, 2, 4, 257, 307, 514, 614, 659, 1028, 1228, 1318, 2636, 78899, 157798, 169363, 202313, 315596, 338726, 404626, 677452, 809252, 51994441, 103988882, 207977764]

約数ペア:

[(1, 207977764), (2, 103988882), (4, 51994441), (257, 809252), (307, 677452), (514, 404626), (614, 338726), (659, 315596), (1028, 202313), (1228, 169363), (1318, 157798), (2636, 78899)]