78549772

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{20477}}^1$

素因数の和:20625

約数の個数: 24

約数和(自身を含む): 158253984

約数和(自身を除く): 79704212

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 20477, 40954, 81908, 143339, 286678, 573356, 2805349, 5610698, 11221396, 19637443, 39274886, 78549772]

約数ペア:

[(1, 78549772), (2, 39274886), (4, 19637443), (7, 11221396), (14, 5610698), (28, 2805349), (137, 573356), (274, 286678), (548, 143339), (959, 81908), (1918, 40954), (3836, 20477)]