420734912

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{505691}}^1$

素因数の和:505716

約数の個数: 28

約数和(自身を含む): 899120376

約数和(自身を除く): 478385464

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 505691, 1011382, 2022764, 4045528, 6573983, 8091056, 13147966, 16182112, 26295932, 32364224, 52591864, 105183728, 210367456, 420734912]

約数ペア:

[(1, 420734912), (2, 210367456), (4, 105183728), (8, 52591864), (13, 32364224), (16, 26295932), (26, 16182112), (32, 13147966), (52, 8091056), (64, 6573983), (104, 4045528), (208, 2022764), (416, 1011382), (832, 505691)]