80378815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47143}}^1$

素因数の和:47190

約数の個数: 16

約数和(自身を含む): 108619776

約数和(自身を除く): 28240961

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 47143, 235715, 518573, 1461433, 2592865, 7307165, 16075763, 80378815]

約数ペア:

[(1, 80378815), (5, 16075763), (11, 7307165), (31, 2592865), (55, 1461433), (155, 518573), (341, 235715), (1705, 47143)]