78859090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1511}}^1$

素因数の和:1842

約数の個数: 32

約数和(自身を含む): 150885504

約数和(自身を除く): 72026414

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 307, 614, 1511, 1535, 3022, 3070, 5219, 7555, 10438, 15110, 25687, 26095, 51374, 52190, 128435, 256870, 463877, 927754, 2319385, 4638770, 7885909, 15771818, 39429545, 78859090]

約数ペア:

[(1, 78859090), (2, 39429545), (5, 15771818), (10, 7885909), (17, 4638770), (34, 2319385), (85, 927754), (170, 463877), (307, 256870), (614, 128435), (1511, 52190), (1535, 51374), (3022, 26095), (3070, 25687), (5219, 15110), (7555, 10438)]