320989835

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1217}}^1$

素因数の和:1375

約数の個数: 32

約数和(自身を含む): 426202560

約数和(自身を除く): 105212725

約数列:

[1, 5, 17, 29, 85, 107, 145, 493, 535, 1217, 1819, 2465, 3103, 6085, 9095, 15515, 20689, 35293, 52751, 103445, 130219, 176465, 263755, 599981, 651095, 2213723, 2999905, 3776351, 11068615, 18881755, 64197967, 320989835]

約数ペア:

[(1, 320989835), (5, 64197967), (17, 18881755), (29, 11068615), (85, 3776351), (107, 2999905), (145, 2213723), (493, 651095), (535, 599981), (1217, 263755), (1819, 176465), (2465, 130219), (3103, 103445), (6085, 52751), (9095, 35293), (15515, 20689)]