256536728

素因数分解:

$2^3\times 7^1\times {\mathrm{233}}^1\times {\mathrm{19661}}^1$

素因数の和:19907

約数の個数: 32

約数和(自身を含む): 552108960

約数和(自身を除く): 295572232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 233, 466, 932, 1631, 1864, 3262, 6524, 13048, 19661, 39322, 78644, 137627, 157288, 275254, 550508, 1101016, 4581013, 9162026, 18324052, 32067091, 36648104, 64134182, 128268364, 256536728]

約数ペア:

[(1, 256536728), (2, 128268364), (4, 64134182), (7, 36648104), (8, 32067091), (14, 18324052), (28, 9162026), (56, 4581013), (233, 1101016), (466, 550508), (932, 275254), (1631, 157288), (1864, 137627), (3262, 78644), (6524, 39322), (13048, 19661)]