215539828

素因数分解:

$2^2\times 7^3\times {\mathrm{127}}^1\times {\mathrm{1237}}^1$

素因数の和:1389

約数の個数: 48

約数和(自身を含む): 443699200

約数和(自身を除く): 228159372

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 254, 343, 508, 686, 889, 1237, 1372, 1778, 2474, 3556, 4948, 6223, 8659, 12446, 17318, 24892, 34636, 43561, 60613, 87122, 121226, 157099, 174244, 242452, 314198, 424291, 628396, 848582, 1099693, 1697164, 2199386, 4398772, 7697851, 15395702, 30791404, 53884957, 107769914, 215539828]

約数ペア:

[(1, 215539828), (2, 107769914), (4, 53884957), (7, 30791404), (14, 15395702), (28, 7697851), (49, 4398772), (98, 2199386), (127, 1697164), (196, 1099693), (254, 848582), (343, 628396), (508, 424291), (686, 314198), (889, 242452), (1237, 174244), (1372, 157099), (1778, 121226), (2474, 87122), (3556, 60613), (4948, 43561), (6223, 34636), (8659, 24892), (12446, 17318)]