20161299288

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{493279}}^1$

素因数の和:493432

約数の個数: 64

約数和(自身を含む): 54694886400

約数和(自身を除く): 34533587112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 131, 156, 262, 312, 393, 524, 786, 1048, 1572, 1703, 3144, 3406, 5109, 6812, 10218, 13624, 20436, 40872, 493279, 986558, 1479837, 1973116, 2959674, 3946232, 5919348, 6412627, 11838696, 12825254, 19237881, 25650508, 38475762, 51301016, 64619549, 76951524, 129239098, 153903048, 193858647, 258478196, 387717294, 516956392, 775434588, 840054137, 1550869176, 1680108274, 2520162411, 3360216548, 5040324822, 6720433096, 10080649644, 20161299288]

約数ペア:

[(1, 20161299288), (2, 10080649644), (3, 6720433096), (4, 5040324822), (6, 3360216548), (8, 2520162411), (12, 1680108274), (13, 1550869176), (24, 840054137), (26, 775434588), (39, 516956392), (52, 387717294), (78, 258478196), (104, 193858647), (131, 153903048), (156, 129239098), (262, 76951524), (312, 64619549), (393, 51301016), (524, 38475762), (786, 25650508), (1048, 19237881), (1572, 12825254), (1703, 11838696), (3144, 6412627), (3406, 5919348), (5109, 3946232), (6812, 2959674), (10218, 1973116), (13624, 1479837), (20436, 986558), (40872, 493279)]