81874884

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10711}}^1$

素因数の和:10745

約数の個数: 72

約数和(自身を含む): 239348928

約数和(自身を除く): 157474044

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 10711, 21422, 32133, 42844, 64266, 74977, 128532, 139243, 149954, 224931, 278486, 299908, 417729, 449862, 524839, 556972, 835458, 899724, 974701, 1049678, 1574517, 1670916, 1949402, 2099356, 2924103, 3149034, 3898804, 5848206, 6298068, 6822907, 11696412, 13645814, 20468721, 27291628, 40937442, 81874884]

約数ペア:

[(1, 81874884), (2, 40937442), (3, 27291628), (4, 20468721), (6, 13645814), (7, 11696412), (12, 6822907), (13, 6298068), (14, 5848206), (21, 3898804), (26, 3149034), (28, 2924103), (39, 2099356), (42, 1949402), (49, 1670916), (52, 1574517), (78, 1049678), (84, 974701), (91, 899724), (98, 835458), (147, 556972), (156, 524839), (182, 449862), (196, 417729), (273, 299908), (294, 278486), (364, 224931), (546, 149954), (588, 139243), (637, 128532), (1092, 74977), (1274, 64266), (1911, 42844), (2548, 32133), (3822, 21422), (7644, 10711)]