1980147455

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1129}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 2827856640

約数和(自身を除く): 847709185

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 223, 605, 715, 1115, 1129, 1573, 2453, 2899, 5645, 7865, 12265, 12419, 14495, 14677, 26983, 31889, 62095, 73385, 134915, 136609, 159445, 161447, 251767, 350779, 683045, 807235, 1258835, 1753895, 1775917, 2769437, 3272971, 8879585, 13847185, 16364855, 30463807, 36002681, 152319035, 180013405, 396029491, 1980147455]

約数ペア:

[(1, 1980147455), (5, 396029491), (11, 180013405), (13, 152319035), (55, 36002681), (65, 30463807), (121, 16364855), (143, 13847185), (223, 8879585), (605, 3272971), (715, 2769437), (1115, 1775917), (1129, 1753895), (1573, 1258835), (2453, 807235), (2899, 683045), (5645, 350779), (7865, 251767), (12265, 161447), (12419, 159445), (14495, 136609), (14677, 134915), (26983, 73385), (31889, 62095)]