256716033

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{2207}}^1$

素因数の和:2437

約数の個数: 32

約数和(自身を含む): 406978560

約数和(自身を除く): 150262527

約数列:

[1, 3, 7, 21, 29, 87, 191, 203, 573, 609, 1337, 2207, 4011, 5539, 6621, 15449, 16617, 38773, 46347, 64003, 116319, 192009, 421537, 448021, 1264611, 1344063, 2950759, 8852277, 12224573, 36673719, 85572011, 256716033]

約数ペア:

[(1, 256716033), (3, 85572011), (7, 36673719), (21, 12224573), (29, 8852277), (87, 2950759), (191, 1344063), (203, 1264611), (573, 448021), (609, 421537), (1337, 192009), (2207, 116319), (4011, 64003), (5539, 46347), (6621, 38773), (15449, 16617)]