668381508

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{10531}}^1$

素因数の和:10625

約数の個数: 72

約数和(自身を含む): 1771145376

約数和(自身を除く): 1102763868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 43, 82, 86, 123, 129, 164, 172, 246, 258, 369, 387, 492, 516, 738, 774, 1476, 1548, 1763, 3526, 5289, 7052, 10531, 10578, 15867, 21062, 21156, 31593, 31734, 42124, 63186, 63468, 94779, 126372, 189558, 379116, 431771, 452833, 863542, 905666, 1295313, 1358499, 1727084, 1811332, 2590626, 2716998, 3885939, 4075497, 5181252, 5433996, 7771878, 8150994, 15543756, 16301988, 18566153, 37132306, 55698459, 74264612, 111396918, 167095377, 222793836, 334190754, 668381508]

約数ペア:

[(1, 668381508), (2, 334190754), (3, 222793836), (4, 167095377), (6, 111396918), (9, 74264612), (12, 55698459), (18, 37132306), (36, 18566153), (41, 16301988), (43, 15543756), (82, 8150994), (86, 7771878), (123, 5433996), (129, 5181252), (164, 4075497), (172, 3885939), (246, 2716998), (258, 2590626), (369, 1811332), (387, 1727084), (492, 1358499), (516, 1295313), (738, 905666), (774, 863542), (1476, 452833), (1548, 431771), (1763, 379116), (3526, 189558), (5289, 126372), (7052, 94779), (10531, 63468), (10578, 63186), (15867, 42124), (21062, 31734), (21156, 31593)]