28165847.000000000

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1151}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 373911552

約数和(自身を除く): 192886876

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 137, 164, 274, 287, 548, 574, 959, 1148, 1151, 1918, 2302, 3836, 4604, 5617, 8057, 11234, 16114, 22468, 32228, 39319, 47191, 78638, 94382, 157276, 157687, 188764, 315374, 330337, 630748, 660674, 1103809, 1321348, 2207618, 4415236, 6465167, 12930334, 25860668, 45256169, 90512338, 181024676]

約数ペア:

[(1, 181024676), (2, 90512338), (4, 45256169), (7, 25860668), (14, 12930334), (28, 6465167), (41, 4415236), (82, 2207618), (137, 1321348), (164, 1103809), (274, 660674), (287, 630748), (548, 330337), (574, 315374), (959, 188764), (1148, 157687), (1151, 157276), (1918, 94382), (2302, 78638), (3836, 47191), (4604, 39319), (5617, 32228), (8057, 22468), (11234, 16114)]