126978796

素因数分解:

$2^2\times 7^2\times {\mathrm{647851}}^1$

素因数の和:647869

約数の個数: 18

約数和(自身を含む): 258492948

約数和(自身を除く): 131514152

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 647851, 1295702, 2591404, 4534957, 9069914, 18139828, 31744699, 63489398, 126978796]

約数ペア:

[(1, 126978796), (2, 63489398), (4, 31744699), (7, 18139828), (14, 9069914), (28, 4534957), (49, 2591404), (98, 1295702), (196, 647851)]