256811328

素因数分解:

$2^6\times 3^2\times {\mathrm{445853}}^1$

素因数の和:445871

約数の個数: 42

約数和(自身を含む): 736104954

約数和(自身を除く): 479293626

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 445853, 891706, 1337559, 1783412, 2675118, 3566824, 4012677, 5350236, 7133648, 8025354, 10700472, 14267296, 16050708, 21400944, 28534592, 32101416, 42801888, 64202832, 85603776, 128405664, 256811328]

約数ペア:

[(1, 256811328), (2, 128405664), (3, 85603776), (4, 64202832), (6, 42801888), (8, 32101416), (9, 28534592), (12, 21400944), (16, 16050708), (18, 14267296), (24, 10700472), (32, 8025354), (36, 7133648), (48, 5350236), (64, 4012677), (72, 3566824), (96, 2675118), (144, 1783412), (192, 1337559), (288, 891706), (576, 445853)]