219360904

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{28181}}^1$

素因数の和:28333

約数の個数: 32

約数和(自身を含む): 473457600

約数和(自身を除く): 254096696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784, 28181, 56362, 112724, 197267, 225448, 394534, 789068, 1578136, 3917159, 7834318, 15668636, 27420113, 31337272, 54840226, 109680452, 219360904]

約数ペア:

[(1, 219360904), (2, 109680452), (4, 54840226), (7, 31337272), (8, 27420113), (14, 15668636), (28, 7834318), (56, 3917159), (139, 1578136), (278, 789068), (556, 394534), (973, 225448), (1112, 197267), (1946, 112724), (3892, 56362), (7784, 28181)]