156957808

素因数分解:

$2^4\times 7^1\times {\mathrm{1401409}}^1$

素因数の和:1401424

約数の個数: 20

約数和(自身を含む): 347549680

約数和(自身を除く): 190591872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1401409, 2802818, 5605636, 9809863, 11211272, 19619726, 22422544, 39239452, 78478904, 156957808]

約数ペア:

[(1, 156957808), (2, 78478904), (4, 39239452), (7, 22422544), (8, 19619726), (14, 11211272), (16, 9809863), (28, 5605636), (56, 2802818), (112, 1401409)]