28071316

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 64350720

約数和(自身を除く): 36279404

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 49, 52, 91, 92, 98, 161, 182, 196, 299, 322, 364, 479, 598, 637, 644, 958, 1127, 1196, 1274, 1916, 2093, 2254, 2548, 3353, 4186, 4508, 6227, 6706, 8372, 11017, 12454, 13412, 14651, 22034, 23471, 24908, 29302, 43589, 44068, 46942, 58604, 77119, 87178, 93884, 143221, 154238, 174356, 286442, 305123, 308476, 539833, 572884, 610246, 1002547, 1079666, 1220492, 2005094, 2159332, 4010188, 7017829, 14035658, 28071316]

約数ペア:

[(1, 28071316), (2, 14035658), (4, 7017829), (7, 4010188), (13, 2159332), (14, 2005094), (23, 1220492), (26, 1079666), (28, 1002547), (46, 610246), (49, 572884), (52, 539833), (91, 308476), (92, 305123), (98, 286442), (161, 174356), (182, 154238), (196, 143221), (299, 93884), (322, 87178), (364, 77119), (479, 58604), (598, 46942), (637, 44068), (644, 43589), (958, 29302), (1127, 24908), (1196, 23471), (1274, 22034), (1916, 14651), (2093, 13412), (2254, 12454), (2548, 11017), (3353, 8372), (4186, 6706), (4508, 6227)]