266242912

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{640007}}^1$

素因数の和:640030

約数の個数: 24

約数和(自身を含む): 564487056

約数和(自身を除く): 298244144

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 640007, 1280014, 2560028, 5120056, 8320091, 10240112, 16640182, 20480224, 33280364, 66560728, 133121456, 266242912]

約数ペア:

[(1, 266242912), (2, 133121456), (4, 66560728), (8, 33280364), (13, 20480224), (16, 16640182), (26, 10240112), (32, 8320091), (52, 5120056), (104, 2560028), (208, 1280014), (416, 640007)]