211556906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8297}}^1$

素因数の和:8390

約数の個数: 32

約数和(自身を含む): 370422720

約数和(自身を除く): 158865814

約数列:

[1, 2, 11, 19, 22, 38, 61, 122, 209, 418, 671, 1159, 1342, 2318, 8297, 12749, 16594, 25498, 91267, 157643, 182534, 315286, 506117, 1012234, 1734073, 3468146, 5567287, 9616223, 11134574, 19232446, 105778453, 211556906]

約数ペア:

[(1, 211556906), (2, 105778453), (11, 19232446), (19, 11134574), (22, 9616223), (38, 5567287), (61, 3468146), (122, 1734073), (209, 1012234), (418, 506117), (671, 315286), (1159, 182534), (1342, 157643), (2318, 91267), (8297, 25498), (12749, 16594)]