28252952

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^2$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 65531760

約数和(自身を除く): 37278808

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 197, 364, 394, 728, 788, 1379, 1576, 2561, 2758, 5122, 5516, 10244, 11032, 17927, 20488, 35854, 38809, 71708, 77618, 143416, 155236, 271663, 310472, 504517, 543326, 1009034, 1086652, 2018068, 2173304, 3531619, 4036136, 7063238, 14126476, 28252952]

約数ペア:

[(1, 28252952), (2, 14126476), (4, 7063238), (7, 4036136), (8, 3531619), (13, 2173304), (14, 2018068), (26, 1086652), (28, 1009034), (52, 543326), (56, 504517), (91, 310472), (104, 271663), (182, 155236), (197, 143416), (364, 77618), (394, 71708), (728, 38809), (788, 35854), (1379, 20488), (1576, 17927), (2561, 11032), (2758, 10244), (5122, 5516)]