77220845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2017}}^1$

素因数の和:2085

約数の個数: 32

約数和(自身を含む): 108487680

約数和(自身を除く): 31266835

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1235, 2015, 2017, 2945, 7657, 10085, 26221, 38285, 38323, 62527, 131105, 191615, 312635, 498199, 812851, 1188013, 2490995, 4064255, 5940065, 15444169, 77220845]

約数ペア:

[(1, 77220845), (5, 15444169), (13, 5940065), (19, 4064255), (31, 2490995), (65, 1188013), (95, 812851), (155, 498199), (247, 312635), (403, 191615), (589, 131105), (1235, 62527), (2015, 38323), (2017, 38285), (2945, 26221), (7657, 10085)]