258407612

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{641}}^1\times {\mathrm{1039}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 458028480

約数和(自身を除く): 199620868

約数列:

[1, 2, 4, 97, 194, 388, 641, 1039, 1282, 2078, 2564, 4156, 62177, 100783, 124354, 201566, 248708, 403132, 665999, 1331998, 2663996, 64601903, 129203806, 258407612]

約数ペア:

[(1, 258407612), (2, 129203806), (4, 64601903), (97, 2663996), (194, 1331998), (388, 665999), (641, 403132), (1039, 248708), (1282, 201566), (2078, 124354), (2564, 100783), (4156, 62177)]