287500330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2211541}}^1$

素因数の和:2211561

約数の個数: 16

約数和(自身を含む): 557308584

約数和(自身を除く): 269808254

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2211541, 4423082, 11057705, 22115410, 28750033, 57500066, 143750165, 287500330]

約数ペア:

[(1, 287500330), (2, 143750165), (5, 57500066), (10, 28750033), (13, 22115410), (26, 11057705), (65, 4423082), (130, 2211541)]