81017872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3067}}^1$

素因数の和:3215

約数の個数: 40

約数和(自身を含む): 170433536

約数和(自身を除く): 89415664

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 1016, 1651, 2032, 3067, 3302, 6134, 6604, 12268, 13208, 24536, 26416, 39871, 49072, 79742, 159484, 318968, 389509, 637936, 779018, 1558036, 3116072, 5063617, 6232144, 10127234, 20254468, 40508936, 81017872]

約数ペア:

[(1, 81017872), (2, 40508936), (4, 20254468), (8, 10127234), (13, 6232144), (16, 5063617), (26, 3116072), (52, 1558036), (104, 779018), (127, 637936), (208, 389509), (254, 318968), (508, 159484), (1016, 79742), (1651, 49072), (2032, 39871), (3067, 26416), (3302, 24536), (6134, 13208), (6604, 12268)]