256220872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{4919}}^1$

素因数の和:5325

約数の個数: 32

約数和(自身を含む): 510105600

約数和(自身を除く): 253884728

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 383, 766, 1532, 3064, 4919, 6511, 9838, 13022, 19676, 26044, 39352, 52088, 83623, 167246, 334492, 668984, 1883977, 3767954, 7535908, 15071816, 32027609, 64055218, 128110436, 256220872]

約数ペア:

[(1, 256220872), (2, 128110436), (4, 64055218), (8, 32027609), (17, 15071816), (34, 7535908), (68, 3767954), (136, 1883977), (383, 668984), (766, 334492), (1532, 167246), (3064, 83623), (4919, 52088), (6511, 39352), (9838, 26044), (13022, 19676)]