2181567136

素因数分解:

$2^5\times 7^1\times {\mathrm{1721}}^1\times {\mathrm{5659}}^1$

素因数の和:7397

約数の個数: 48

約数和(自身を含む): 4912246080

約数和(自身を除く): 2730678944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 1721, 3442, 5659, 6884, 11318, 12047, 13768, 22636, 24094, 27536, 39613, 45272, 48188, 55072, 79226, 90544, 96376, 158452, 181088, 192752, 316904, 385504, 633808, 1267616, 9739139, 19478278, 38956556, 68173973, 77913112, 136347946, 155826224, 272695892, 311652448, 545391784, 1090783568, 2181567136]

約数ペア:

[(1, 2181567136), (2, 1090783568), (4, 545391784), (7, 311652448), (8, 272695892), (14, 155826224), (16, 136347946), (28, 77913112), (32, 68173973), (56, 38956556), (112, 19478278), (224, 9739139), (1721, 1267616), (3442, 633808), (5659, 385504), (6884, 316904), (11318, 192752), (12047, 181088), (13768, 158452), (22636, 96376), (24094, 90544), (27536, 79226), (39613, 55072), (45272, 48188)]