398045892124

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{12499871}}^1$

素因数の和:12500313

約数の個数: 24

約数和(自身を含む): 734992473600

約数和(自身を除く): 336946581476

約数列:

[1, 2, 4, 19, 38, 76, 419, 838, 1676, 7961, 15922, 31844, 12499871, 24999742, 49999484, 237497549, 474995098, 949990196, 5237445949, 10474891898, 20949783796, 99511473031, 199022946062, 398045892124]

約数ペア:

[(1, 398045892124), (2, 199022946062), (4, 99511473031), (19, 20949783796), (38, 10474891898), (76, 5237445949), (419, 949990196), (838, 474995098), (1676, 237497549), (7961, 49999484), (15922, 24999742), (31844, 12499871)]