131211184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{630823}}^1$

素因数の和:630844

約数の個数: 20

約数和(自身を含む): 273777616

約数和(自身を除く): 142566432

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 630823, 1261646, 2523292, 5046584, 8200699, 10093168, 16401398, 32802796, 65605592, 131211184]

約数ペア:

[(1, 131211184), (2, 65605592), (4, 32802796), (8, 16401398), (13, 10093168), (16, 8200699), (26, 5046584), (52, 2523292), (104, 1261646), (208, 630823)]