211405964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{3253}}^1$

素因数の和:3486

約数の個数: 48

約数和(自身を含む): 463577856

約数和(自身を除く): 252171892

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 211, 308, 422, 844, 1477, 2321, 2954, 3253, 4642, 5908, 6506, 9284, 13012, 16247, 22771, 32494, 35783, 45542, 64988, 71566, 91084, 143132, 250481, 500962, 686383, 1001924, 1372766, 2745532, 4804681, 7550213, 9609362, 15100426, 19218724, 30200852, 52851491, 105702982, 211405964]

約数ペア:

[(1, 211405964), (2, 105702982), (4, 52851491), (7, 30200852), (11, 19218724), (14, 15100426), (22, 9609362), (28, 7550213), (44, 4804681), (77, 2745532), (154, 1372766), (211, 1001924), (308, 686383), (422, 500962), (844, 250481), (1477, 143132), (2321, 91084), (2954, 71566), (3253, 64988), (4642, 45542), (5908, 35783), (6506, 32494), (9284, 22771), (13012, 16247)]