256775595

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{2897}}^1$

素因数の和:3235

約数の個数: 32

約数和(自身を含む): 434004480

約数和(自身を除く): 177228885

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 311, 933, 1555, 2897, 4665, 5909, 8691, 14485, 17727, 29545, 43455, 55043, 88635, 165129, 275215, 825645, 900967, 2702901, 4504835, 13514505, 17118373, 51355119, 85591865, 256775595]

約数ペア:

[(1, 256775595), (3, 85591865), (5, 51355119), (15, 17118373), (19, 13514505), (57, 4504835), (95, 2702901), (285, 900967), (311, 825645), (933, 275215), (1555, 165129), (2897, 88635), (4665, 55043), (5909, 43455), (8691, 29545), (14485, 17727)]