251011185

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{28411}}^1$

素因数の和:28469

約数の個数: 32

約数和(自身を含む): 436408320

約数和(自身を除く): 185397135

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2945, 8835, 28411, 85233, 142055, 426165, 539809, 880741, 1619427, 2642223, 2699045, 4403705, 8097135, 13211115, 16734079, 50202237, 83670395, 251011185]

約数ペア:

[(1, 251011185), (3, 83670395), (5, 50202237), (15, 16734079), (19, 13211115), (31, 8097135), (57, 4403705), (93, 2699045), (95, 2642223), (155, 1619427), (285, 880741), (465, 539809), (589, 426165), (1767, 142055), (2945, 85233), (8835, 28411)]