28146664

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 69471360

約数和(自身を除く): 41324696

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 41, 46, 52, 56, 82, 91, 92, 104, 161, 164, 182, 184, 287, 299, 322, 328, 364, 533, 574, 598, 644, 728, 943, 1066, 1148, 1196, 1288, 1681, 1886, 2093, 2132, 2296, 2392, 3362, 3731, 3772, 4186, 4264, 6601, 6724, 7462, 7544, 8372, 11767, 12259, 13202, 13448, 14924, 16744, 21853, 23534, 24518, 26404, 29848, 38663, 43706, 47068, 49036, 52808, 77326, 85813, 87412, 94136, 98072, 152971, 154652, 171626, 174824, 270641, 305942, 309304, 343252, 502619, 541282, 611884, 686504, 1005238, 1082564, 1223768, 2010476, 2165128, 3518333, 4020952, 7036666, 14073332, 28146664]

約数ペア:

[(1, 28146664), (2, 14073332), (4, 7036666), (7, 4020952), (8, 3518333), (13, 2165128), (14, 2010476), (23, 1223768), (26, 1082564), (28, 1005238), (41, 686504), (46, 611884), (52, 541282), (56, 502619), (82, 343252), (91, 309304), (92, 305942), (104, 270641), (161, 174824), (164, 171626), (182, 154652), (184, 152971), (287, 98072), (299, 94136), (322, 87412), (328, 85813), (364, 77326), (533, 52808), (574, 49036), (598, 47068), (644, 43706), (728, 38663), (943, 29848), (1066, 26404), (1148, 24518), (1196, 23534), (1288, 21853), (1681, 16744), (1886, 14924), (2093, 13448), (2132, 13202), (2296, 12259), (2392, 11767), (3362, 8372), (3731, 7544), (3772, 7462), (4186, 6724), (4264, 6601)]