128780565545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{2976553}}^1$

素因数の和:2977084

約数の個数: 16

約数和(自身を含む): 163948594320

約数和(自身を除く): 35168028775

約数列:

[1, 5, 17, 85, 509, 2545, 8653, 43265, 2976553, 14882765, 50601401, 253007005, 1515065477, 7575327385, 25756113109, 128780565545]

約数ペア:

[(1, 128780565545), (5, 25756113109), (17, 7575327385), (85, 1515065477), (509, 253007005), (2545, 50601401), (8653, 14882765), (43265, 2976553)]