128421908

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{5011}}^1$

素因数の和:5207

約数の個数: 24

約数和(自身を含む): 231554400

約数和(自身を除く): 103132492

約数列:

[1, 2, 4, 43, 86, 149, 172, 298, 596, 5011, 6407, 10022, 12814, 20044, 25628, 215473, 430946, 746639, 861892, 1493278, 2986556, 32105477, 64210954, 128421908]

約数ペア:

[(1, 128421908), (2, 64210954), (4, 32105477), (43, 2986556), (86, 1493278), (149, 861892), (172, 746639), (298, 430946), (596, 215473), (5011, 25628), (6407, 20044), (10022, 12814)]