65140012

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 139043520

約数和(自身を除く): 73903508

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 59, 86, 98, 118, 131, 172, 196, 236, 262, 301, 413, 524, 602, 826, 917, 1204, 1652, 1834, 2107, 2537, 2891, 3668, 4214, 5074, 5633, 5782, 6419, 7729, 8428, 10148, 11266, 11564, 12838, 15458, 17759, 22532, 25676, 30916, 35518, 39431, 54103, 71036, 78862, 108206, 124313, 157724, 216412, 248626, 276017, 332347, 378721, 497252, 552034, 664694, 757442, 1104068, 1329388, 1514884, 2326429, 4652858, 9305716, 16285003, 32570006, 65140012]

約数ペア:

[(1, 65140012), (2, 32570006), (4, 16285003), (7, 9305716), (14, 4652858), (28, 2326429), (43, 1514884), (49, 1329388), (59, 1104068), (86, 757442), (98, 664694), (118, 552034), (131, 497252), (172, 378721), (196, 332347), (236, 276017), (262, 248626), (301, 216412), (413, 157724), (524, 124313), (602, 108206), (826, 78862), (917, 71036), (1204, 54103), (1652, 39431), (1834, 35518), (2107, 30916), (2537, 25676), (2891, 22532), (3668, 17759), (4214, 15458), (5074, 12838), (5633, 11564), (5782, 11266), (6419, 10148), (7729, 8428)]