398688052

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{587}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 809238528

約数和(自身を除く): 410550476

約数列:

[1, 2, 4, 7, 14, 28, 127, 191, 254, 382, 508, 587, 764, 889, 1174, 1337, 1778, 2348, 2674, 3556, 4109, 5348, 8218, 16436, 24257, 48514, 74549, 97028, 112117, 149098, 169799, 224234, 298196, 339598, 448468, 521843, 679196, 784819, 1043686, 1569638, 2087372, 3139276, 14238859, 28477718, 56955436, 99672013, 199344026, 398688052]

約数ペア:

[(1, 398688052), (2, 199344026), (4, 99672013), (7, 56955436), (14, 28477718), (28, 14238859), (127, 3139276), (191, 2087372), (254, 1569638), (382, 1043686), (508, 784819), (587, 679196), (764, 521843), (889, 448468), (1174, 339598), (1337, 298196), (1778, 224234), (2348, 169799), (2674, 149098), (3556, 112117), (4109, 97028), (5348, 74549), (8218, 48514), (16436, 24257)]