213479864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47737}}^1$

素因数の和:47799

約数の個数: 32

約数和(自身を含む): 441099120

約数和(自身を除く): 227619256

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 47737, 95474, 190948, 381896, 620581, 1241162, 2052691, 2482324, 4105382, 4964648, 8210764, 16421528, 26684983, 53369966, 106739932, 213479864]

約数ペア:

[(1, 213479864), (2, 106739932), (4, 53369966), (8, 26684983), (13, 16421528), (26, 8210764), (43, 4964648), (52, 4105382), (86, 2482324), (104, 2052691), (172, 1241162), (344, 620581), (559, 381896), (1118, 190948), (2236, 95474), (4472, 47737)]