289490768

素因数分解:

$2^4\times 7^1\times {\mathrm{2584739}}^1$

素因数の和:2584754

約数の個数: 20

約数和(自身を含む): 641015520

約数和(自身を除く): 351524752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2584739, 5169478, 10338956, 18093173, 20677912, 36186346, 41355824, 72372692, 144745384, 289490768]

約数ペア:

[(1, 289490768), (2, 144745384), (4, 72372692), (7, 41355824), (8, 36186346), (14, 20677912), (16, 18093173), (28, 10338956), (56, 5169478), (112, 2584739)]