64288172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2099}}^1$

素因数の和:2166

約数の個数: 48

約数和(自身を含む): 131712000

約数和(自身を除く): 67423828

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 806, 988, 1178, 1612, 2099, 2356, 4198, 7657, 8396, 15314, 27287, 30628, 39881, 54574, 65069, 79762, 109148, 130138, 159524, 260276, 518453, 845897, 1036906, 1236311, 1691794, 2073812, 2472622, 3383588, 4945244, 16072043, 32144086, 64288172]

約数ペア:

[(1, 64288172), (2, 32144086), (4, 16072043), (13, 4945244), (19, 3383588), (26, 2472622), (31, 2073812), (38, 1691794), (52, 1236311), (62, 1036906), (76, 845897), (124, 518453), (247, 260276), (403, 159524), (494, 130138), (589, 109148), (806, 79762), (988, 65069), (1178, 54574), (1612, 39881), (2099, 30628), (2356, 27287), (4198, 15314), (7657, 8396)]