256431602

素因数分解:

$2^1\times 7^4\times {\mathrm{53401}}^1$

素因数の和:53431

約数の個数: 20

約数和(自身を含む): 448737006

約数和(自身を除く): 192305404

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 53401, 106802, 373807, 747614, 2616649, 5233298, 18316543, 36633086, 128215801, 256431602]

約数ペア:

[(1, 256431602), (2, 128215801), (7, 36633086), (14, 18316543), (49, 5233298), (98, 2616649), (343, 747614), (686, 373807), (2401, 106802), (4802, 53401)]