218912078

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{6737}}^1$

素因数の和:6968

約数の個数: 32

約数和(自身を含む): 411395328

約数和(自身を除く): 192483250

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 211, 422, 1477, 2321, 2954, 4642, 6737, 13474, 16247, 32494, 47159, 74107, 94318, 148214, 518749, 1037498, 1421507, 2843014, 9950549, 15636577, 19901098, 31273154, 109456039, 218912078]

約数ペア:

[(1, 218912078), (2, 109456039), (7, 31273154), (11, 19901098), (14, 15636577), (22, 9950549), (77, 2843014), (154, 1421507), (211, 1037498), (422, 518749), (1477, 148214), (2321, 94318), (2954, 74107), (4642, 47159), (6737, 32494), (13474, 16247)]