77881547536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{374430517}}^1$

素因数の和:374430538

約数の個数: 20

約数和(自身を含む): 162502844812

約数和(自身を除く): 84621297276

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 374430517, 748861034, 1497722068, 2995444136, 4867596721, 5990888272, 9735193442, 19470386884, 38940773768, 77881547536]

約数ペア:

[(1, 77881547536), (2, 38940773768), (4, 19470386884), (8, 9735193442), (13, 5990888272), (16, 4867596721), (26, 2995444136), (52, 1497722068), (104, 748861034), (208, 374430517)]