291840752

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{19891}}^1$

素因数の和:20037

約数の個数: 40

約数和(自身を含む): 651184512

約数和(自身を除く): 359343760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 262, 524, 917, 1048, 1834, 2096, 3668, 7336, 14672, 19891, 39782, 79564, 139237, 159128, 278474, 318256, 556948, 1113896, 2227792, 2605721, 5211442, 10422884, 18240047, 20845768, 36480094, 41691536, 72960188, 145920376, 291840752]

約数ペア:

[(1, 291840752), (2, 145920376), (4, 72960188), (7, 41691536), (8, 36480094), (14, 20845768), (16, 18240047), (28, 10422884), (56, 5211442), (112, 2605721), (131, 2227792), (262, 1113896), (524, 556948), (917, 318256), (1048, 278474), (1834, 159128), (2096, 139237), (3668, 79564), (7336, 39782), (14672, 19891)]