256979664

素因数分解:

$2^4\times 3^2\times {\mathrm{1784581}}^1$

素因数の和:1784595

約数の個数: 30

約数和(自身を含む): 719186546

約数和(自身を除く): 462206882

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1784581, 3569162, 5353743, 7138324, 10707486, 14276648, 16061229, 21414972, 28553296, 32122458, 42829944, 64244916, 85659888, 128489832, 256979664]

約数ペア:

[(1, 256979664), (2, 128489832), (3, 85659888), (4, 64244916), (6, 42829944), (8, 32122458), (9, 28553296), (12, 21414972), (16, 16061229), (18, 14276648), (24, 10707486), (36, 7138324), (48, 5353743), (72, 3569162), (144, 1784581)]